-
Notifications
You must be signed in to change notification settings - Fork 4
/
main.js
1362 lines (1344 loc) · 70.2 KB
/
main.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
import * as THREE from 'https://cdn.skypack.dev/[email protected]';
import { EffectComposer } from 'https://unpkg.com/[email protected]/examples/jsm/postprocessing/EffectComposer.js';
import { RenderPass } from 'https://unpkg.com/[email protected]/examples/jsm/postprocessing/RenderPass.js';
import { ShaderPass } from 'https://unpkg.com/[email protected]/examples/jsm/postprocessing/ShaderPass.js';
import { SMAAPass } from 'https://unpkg.com/[email protected]/examples/jsm/postprocessing/SMAAPass.js';
import { GammaCorrectionShader } from 'https://unpkg.com/[email protected]/examples/jsm/shaders/GammaCorrectionShader.js';
import { EffectShader } from "./EffectShader.js";
import { EffectCompositer } from "./EffectCompositer.js";
import { OrbitControls } from 'https://unpkg.com/[email protected]/examples/jsm/controls/OrbitControls.js';
import { MeshSurfaceSampler } from 'https://unpkg.com/[email protected]/examples/jsm/math/MeshSurfaceSampler.js';
import { TeapotGeometry } from 'https://unpkg.com/[email protected]/examples/jsm/geometries/TeapotGeometry.js';
import { GodRaysShader } from "./GodRays.js";
import * as MeshBVHLib from 'https://unpkg.com/[email protected]/build/index.module.js';
import * as BufferGeometryUtils from "https://unpkg.com/[email protected]/examples/jsm/utils/BufferGeometryUtils.js";
import { AssetManager } from './AssetManager.js';
import { GUI } from 'https://unpkg.com/[email protected]/examples/jsm/libs/lil-gui.module.min.js';
import { Stats } from "./stats.js";
import { SSAOShader } from "./SSAOShader.js";
import CustomLightShadowFragment from './CustomLightShadowFragment.js';
import { CapsuleEntity } from './CapsuleEntity.js';
import { PointerLockControls } from 'https://unpkg.com/[email protected]/examples/jsm/controls/PointerLockControls.js';
import { Butterfly } from "./Butterfly.js";
async function main() {
// Setup basic renderer, controls, and profiler
function nextFrame() {
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve()
})
})
}
const loadingElement = document.getElementById("loading");
const clientWidth = window.innerWidth * 0.99;
const clientHeight = window.innerHeight * 0.98;
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, clientWidth / clientHeight, 0.1, 1000);
//camera.position.set(50, 75, 50);
const renderer = new THREE.WebGLRenderer();
renderer.setSize(clientWidth, clientHeight);
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.VSMShadowMap;
const controls = new PointerLockControls(camera, document.body);
scene.add(controls.getObject());
const stats = new Stats();
stats.showPanel(0);
// Setup scene
// Skybox
const environment = new THREE.CubeTextureLoader().load([
"skybox/Box_Right.bmp",
"skybox/Box_Left.bmp",
"skybox/Box_Top.bmp",
"skybox/Box_Bottom.bmp",
"skybox/Box_Front.bmp",
"skybox/Box_Back.bmp"
]);
scene.background = environment;
// Lighting
const ambientLight = new THREE.AmbientLight(new THREE.Color(1.0, 1.0, 1.0), 0.25);
scene.add(ambientLight);
const directionalLight = new THREE.DirectionalLight(0xffffff, 0.35);
directionalLight.position.set(300, 200, 100);
//scene.add(directionalLight);
// Shadows
directionalLight.castShadow = true;
directionalLight.shadow.mapSize.width = 4096;
directionalLight.shadow.mapSize.height = 4096;
directionalLight.shadow.camera.left = -256 * 3 / 2;
directionalLight.shadow.camera.right = 256 * 3 / 2;
directionalLight.shadow.camera.top = 256 * 3 / 2;
directionalLight.shadow.camera.bottom = -256 * 3 / 2;
directionalLight.shadow.camera.near = 0.1;
directionalLight.shadow.camera.far = 1000;
directionalLight.shadow.bias = -0.001;
directionalLight.shadow.blurSamples = 8;
directionalLight.shadow.radius = 4;
scene.add(directionalLight);
//scene.add(new THREE.CameraHelper(directionalLight.shadow.camera));
/* const directionalLight2 = new THREE.DirectionalLight(0xffffff, 0.15);
directionalLight2.color.setRGB(1.0, 1.0, 1.0);
directionalLight2.position.set(-50, 200, -150);
scene.add(directionalLight2);*/
// Objects
/*const ground = new THREE.Mesh(new THREE.PlaneGeometry(100, 100).applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2)), new THREE.MeshStandardMaterial({ side: THREE.DoubleSide }));
ground.castShadow = true;
ground.receiveShadow = true;
scene.add(ground);
const box = new THREE.Mesh(new THREE.BoxGeometry(10, 10, 10), new THREE.MeshStandardMaterial({ side: THREE.DoubleSide, color: new THREE.Color(1.0, 0.0, 0.0) }));
box.castShadow = true;
box.receiveShadow = true;
box.position.y = 5.01;
scene.add(box);
const sphere = new THREE.Mesh(new THREE.SphereGeometry(6.25, 32, 32), new THREE.MeshStandardMaterial({ side: THREE.DoubleSide, envMap: environment, metalness: 1.0, roughness: 0.25 }));
sphere.position.y = 7.5;
sphere.position.x = 25;
sphere.position.z = 25;
sphere.castShadow = true;
sphere.receiveShadow = true;
scene.add(sphere);
const torusKnot = new THREE.Mesh(new THREE.TorusKnotGeometry(5, 1.5, 200, 32), new THREE.MeshStandardMaterial({ side: THREE.DoubleSide, envMap: environment, metalness: 0.5, roughness: 0.5, color: new THREE.Color(0.0, 1.0, 0.0) }));
torusKnot.position.y = 10;
torusKnot.position.x = -25;
torusKnot.position.z = -25;
torusKnot.castShadow = true;
torusKnot.receiveShadow = true;
scene.add(torusKnot);*/
// Build postprocessing stack
// Render Targets
noise.seed(Math.random());
loadingElement.innerHTML = "Building Terrain...";
await nextFrame();
const terrainGeo = new THREE.PlaneGeometry(1024, 1024, 1024, 1024);
terrainGeo.applyMatrix4(new THREE.Matrix4().makeRotationX(Math.PI / 2));
// scene.add(new THREE.Mesh(terrainGeo.clone(), new THREE.MeshStandardMaterial({ side: THREE.DoubleSide, transparent: true, color: new THREE.Color(0.0, 0.5, 1.0), opacity: 0.5 })));
const heightFalloff = (x) => (x + 1) * Math.log(x + 1);
function smax(d1, d2, k) {
const h = Math.min(Math.max(0.5 - 0.5 * (d2 - d1) / k, 0.0), 1.0);
return (d2 + (d1 - d2) * h) + k * h * (1.0 - h);
}
for (let x = 0; x < 1025; x++) {
for (let z = 0; z < 1025; z++) {
let amt = 0.0;
let frequency = 0.0025;
let amplitude = 0.5;
for (let i = 0; i < 12; i++) {
amt += amplitude * (0.5 + 0.5 * noise.simplex2(x * frequency + 128, z * frequency + 128));
amplitude /= 2;
frequency *= 2;
}
let currHeight = (amt) * 100.0 - 0.0625 * heightFalloff(Math.max(Math.hypot(x - 512, z - 512) - (200 + 50 * (amt)), 0));
currHeight = smax(currHeight, -25.0 - amt * 15.0, 10.0);
terrainGeo.attributes.position.setY(1025 * z + x, currHeight);
}
}
terrainGeo.computeVertexNormals()
const terrainMesh = new THREE.Mesh(terrainGeo, new THREE.MeshStandardMaterial({ side: THREE.DoubleSide }));
terrainMesh.castShadow = true;
terrainMesh.receiveShadow = true;
let terrainShader;
const terrainColor = new THREE.TextureLoader().load("terraincolor.png");
terrainColor.wrapS = THREE.RepeatWrapping;
terrainColor.wrapT = THREE.RepeatWrapping;
terrainMesh.material.onBeforeCompile = (shader) => {
shader.uniforms.reflect = { value: false };
shader.uniforms.cameraPos = { value: camera.position };
shader.uniforms.diffuseMap = { value: terrainColor };
shader.uniforms.background = { value: environment };
terrainShader = shader;
shader.fragmentShader = "varying vec3 vWorldPosition;\nuniform samplerCube background;\n" + `
uniform bool reflect;
uniform vec3 cameraPos;
uniform sampler2D diffuseMap;
float mod289(float x){return x - floor(x * (1.0 / 289.0)) * 289.0;}
vec4 mod289(vec4 x){return x - floor(x * (1.0 / 289.0)) * 289.0;}
vec4 perm(vec4 x){return mod289(((x * 34.0) + 1.0) * x);}
float noise(vec3 p){
vec3 a = floor(p);
vec3 d = p - a;
d = d * d * (3.0 - 2.0 * d);
vec4 b = a.xxyy + vec4(0.0, 1.0, 0.0, 1.0);
vec4 k1 = perm(b.xyxy);
vec4 k2 = perm(k1.xyxy + b.zzww);
vec4 c = k2 + a.zzzz;
vec4 k3 = perm(c);
vec4 k4 = perm(c + 1.0);
vec4 o1 = fract(k3 * (1.0 / 41.0));
vec4 o2 = fract(k4 * (1.0 / 41.0));
vec4 o3 = o2 * d.z + o1 * (1.0 - d.z);
vec2 o4 = o3.yw * d.x + o3.xz * (1.0 - d.x);
return o4.y * d.y + o4.x * (1.0 - d.y);
}
float fbm(vec3 x) {
float v = 0.0;
float a = 0.5;
vec3 shift = vec3(100);
for (int i = 0; i < 5; ++i) {
v += a * noise(x);
x = x * 2.0 + shift;
a *= 0.5;
}
return v;
}
` + shader.fragmentShader;
shader.fragmentShader = shader.fragmentShader.replace("#include <normal_fragment_maps>", `
#include <normal_fragment_maps>
mat4 viewMatrixInv = inverse(viewMatrix);
if ((reflect && vWorldPosition.y > 0.0)
) {
discard;
}
if ((reflect && (viewMatrixInv * vec4(normal, 0.0)).y > 0.0)) {
gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
return;
}
vec3 position = vWorldPosition;
if (reflect) {
position.y *= -1.0;
}
float fbmVal = fbm(position * 0.25);
float verticalness = 1.0 - pow(max(dot((viewMatrixInv * vec4(normal, 0.0)).xyz, vec3(0.0, reflect ? -1.0 : 1.0, 0.0)), 0.0), 3.0 + fbmVal);
vec3 terrainColor = mix(vec3(126.0 / 255.0, 200.0 / 255.0, 80.0 / 255.0), vec3(155.0 / 255.0, 118.0 / 255.0, 83.0 / 255.0), verticalness);
diffuseColor = vec4(mix(terrainColor, vec3(246.0 / 255.0, 228.0 / 255.0, 173.0 / 255.0), smoothstep(0.0, 1.0, clamp(-(position.y - 15.0 - 5.0 * fbmVal) * 0.1, 0.0, 1.0))), 1.0);
diffuseColor.rgb *= (0.65 + 0.35 * fbmVal);
vec2 yUv = vWorldPosition.xz * 0.01;
vec2 xUv = vWorldPosition.zy * 0.01;
vec2 zUv = vWorldPosition.xy * 0.01;
vec3 yDiff = texture2D(diffuseMap, yUv).xyz;
vec3 xDiff = texture2D(diffuseMap, xUv).xyz;
vec3 zDiff = texture2D(diffuseMap, zUv).xyz;
vec3 blendWeights = abs((viewMatrixInv * vec4(vNormal, 0.0)).xyz);
blendWeights = blendWeights / (blendWeights.x + blendWeights.y + blendWeights.z);
diffuseColor *= 0.25 + 0.75 * vec4((xDiff * blendWeights.x + yDiff * blendWeights.y + zDiff * blendWeights.z), 1.0);
`)
.replace("#include <dithering_fragment>", `
#include <dithering_fragment>
vec3 vDir = normalize(vWorldPosition - cameraPos);
gl_FragColor = mix(gl_FragColor, textureCube(background, vDir), cameraPos.y < 0.0 ? 0.0 : clamp(-0.1 * vWorldPosition.y, 0.0, 1.0));
`);
shader.vertexShader = shader.vertexShader.replace("#ifdef USE_TRANSMISSION", "").replace("#ifdef USE_TRANSMISSION", "");
shader.vertexShader = shader.vertexShader.replace("#endif", "").replace("#endif", "");
shader.vertexShader = shader.vertexShader.replace("#include <worldpos_vertex>", `
vec4 worldPosition = vec4( transformed, 1.0 );
#ifdef USE_INSTANCING
worldPosition = instanceMatrix * worldPosition;
#endif
worldPosition = modelMatrix * worldPosition;
`)
}
scene.add(terrainMesh);
const grassSampler = new MeshSurfaceSampler(terrainMesh).build();
const grassGeo = BufferGeometryUtils.mergeBufferGeometries([
new THREE.PlaneGeometry(10, 10).applyMatrix4(new THREE.Matrix4().makeRotationY(Math.PI / 4)),
new THREE.PlaneGeometry(10, 10).applyMatrix4(new THREE.Matrix4().makeRotationY(-Math.PI / 4)),
new THREE.PlaneGeometry(10, 10)
]);
grassGeo.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 5, 0));
grassGeo.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
//console.log(grassGeo.attributes.position);
/*for (let i = 0; i < grassGeo.attributes.normal.count; i++) {
grassGeo.attributes.normal.setX(i, 0);
grassGeo.attributes.normal.setY(i, 1);
grassGeo.attributes.normal.setZ(i, 0);
}*/
loadingElement.innerHTML = "Placing Grass & Flora...";
await nextFrame();
const instancedMesh = new THREE.InstancedMesh(grassGeo, new THREE.MeshBasicMaterial({ side: THREE.DoubleSide, color: new THREE.Color(0.4, 0.4, 0.2), map: new THREE.TextureLoader().load("grassalbido.jpeg"), alphaMap: new THREE.TextureLoader().load("grassalpha.jpg"), alphaTest: 0.5 }), 100000);
let grassShader;
instancedMesh.material.onBeforeCompile = (shader) => {
shader.uniforms.time = { value: 0.0 };
shader.uniforms.shadowTex = { value: null };
shader.uniforms.lightViewMat = { value: directionalLight.shadow.camera.matrixWorldInverse };
shader.uniforms.lightProjMat = { value: directionalLight.shadow.camera.projectionMatrix };
setTimeout(() => {
shader.uniforms.shadowTex = { value: directionalLight.shadow.map.texture }
});
shader.uniforms.cameraPos = { value: camera.position };
grassShader = shader;
shader.vertexShader = /*glsl*/ `
varying vec2 vUv;
varying vec3 vColor;
varying vec3 vWorldPosition;
attribute vec3 grassNormal;
attribute float offset;
uniform float time;
uniform vec3 cameraPos;
mat3 GetTangentSpace(vec3 normal)
{
// Choose a helper vector for the cross product
vec3 helper = vec3(1.0, 0.0, 0.0);
if (abs(normal.x) > 0.99)
helper = vec3(0.0, 0.0, 1.0);
// Generate vectors
vec3 tangent = normalize(cross(normal, helper));
vec3 binormal = normalize(cross(normal, tangent));
return mat3(tangent, binormal, normal);
}
void main() {
vec3 transformed = position;
vec3 origin = (instanceMatrix * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
//if (transformed.y > 5.0) {
//transformed.x += 10.0 * sin(time);
//}
bool top = false;
if (transformed.z < -9.0) {
top = true;
transformed.x += 2.0 * sin(time + 0.025 * origin.z + offset);
transformed.z += 2.0 * cos(time + 0.025 * origin.x + offset);
}
vec3 worldPos = (instanceMatrix * vec4(transformed, 1.0)).xyz;
vec3 contactPos = cameraPos;
contactPos.y -= 15.0;
vec3 awayFromCamera = normalize(worldPos - contactPos);
awayFromCamera.x *= -1.0;
awayFromCamera.z *= -1.0;
//if (transformed.z < -9.0) {
if (top) {
// worldPos -= awayFromCamera * 0.25 * max(20.0 - distance(worldPos, contactPos), 0.0);
//worldPos.y -= 0.75 * max(20.0 - distance(worldPos, contactPos), 0.0);
worldPos -= awayFromCamera * max(20.0 - distance(worldPos.xz, contactPos.xz), 0.0) * max(100.0 - abs(worldPos.y - contactPos.y) * abs(worldPos.y - contactPos.y), 0.0) / 100.0;
}
//}
gl_Position = projectionMatrix * viewMatrix * vec4(worldPos, 1.0);
vUv = uv;
vColor = instanceColor;
vWorldPosition = worldPos;
}
`;
shader.fragmentShader = `
uniform vec3 diffuse;
uniform float opacity;
uniform sampler2D shadowTex;
uniform mat4 lightViewMat;
uniform mat4 lightProjMat;
varying vec3 vWorldPosition;
#ifndef FLAT_SHADED
varying vec3 vNormal;
#endif
#include <common>
#include <dithering_pars_fragment>
#include <color_pars_fragment>
#include <uv_pars_fragment>
#include <uv2_pars_fragment>
#include <map_pars_fragment>
#include <alphamap_pars_fragment>
#include <alphatest_pars_fragment>
#include <aomap_pars_fragment>
#include <lightmap_pars_fragment>
#include <envmap_common_pars_fragment>
#include <envmap_pars_fragment>
#include <cube_uv_reflection_fragment>
#include <fog_pars_fragment>
#include <specularmap_pars_fragment>
#include <logdepthbuf_pars_fragment>
#include <clipping_planes_pars_fragment>
vec2 unpackRGBATo2Half( vec4 v ) {
return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );
}
vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {
return unpackRGBATo2Half( texture2D( shadow, uv ) );
}
float VSMShadow (sampler2D shadow, vec2 uv, float compare ){
float occlusion = 1.0;
vec2 distribution = texture2DDistribution( shadow, uv );
float hard_shadow = step( compare , distribution.x ); // Hard Shadow
if (hard_shadow != 1.0 ) {
float distance = compare - distribution.x ;
float variance = max( 0.00000, distribution.y * distribution.y );
float softness_probability = variance / (variance + distance * distance ); // Chebeyshevs inequality
softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); // 0.3 reduces light bleed
occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );
}
return occlusion;
}
void main() {
#include <clipping_planes_fragment>
vec4 diffuseColor = vec4( diffuse, opacity );
#include <logdepthbuf_fragment>
#include <map_fragment>
#include <color_fragment>
#include <alphamap_fragment>
#include <alphatest_fragment>
#include <specularmap_fragment>
ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
// accumulation (baked indirect lighting only)
#ifdef USE_LIGHTMAP
vec4 lightMapTexel = texture2D( lightMap, vUv2 );
reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;
#else
vec4 projCoords = lightProjMat * lightViewMat * vec4(vWorldPosition, 1.0);
projCoords.xyz /= projCoords.w;
projCoords.xyz = projCoords.xyz * 0.5 + 0.5;
float s = 1.0;
if (projCoords.x > 0.0 && projCoords.x < 1.0 && projCoords.y > 0.0 && projCoords.y < 1.0 && projCoords.z > 0.0 && projCoords.z < 1.0) {
s = (0.5 + 0.5 * VSMShadow(shadowTex, projCoords.xy, projCoords.z));
}
reflectedLight.indirectDiffuse += vec3( 1.0 ) * s;
#endif
// modulation
#include <aomap_fragment>
reflectedLight.indirectDiffuse *= diffuseColor.rgb;
vec3 outgoingLight = reflectedLight.indirectDiffuse;
#include <envmap_fragment>
#include <output_fragment>
#include <tonemapping_fragment>
#include <encodings_fragment>
#include <fog_fragment>
#include <premultiplied_alpha_fragment>
#include <dithering_fragment>
}
`;
}
let dummy = new THREE.Object3D();
let normal = new THREE.Vector3();
const up = new THREE.Vector3(0, -1, 0);
const normalAttribute = [];
const offsetAttribute = [];
for (let i = 0; i < 100000; i++) {
grassSampler.sample(dummy.position, normal);
// console.log(i);
// console.log(normal.clone().dot(up));
if (Math.random() > Math.pow(normal.clone().dot(up), 10.0) ||
Math.random() > dummy.position.y * 0.1) {
i--;
continue;
}
let target = dummy.position.clone().add(normal);
const normalArr = [...normal.clone()];
normalArr[1] *= -1;
normalAttribute.push(...normalArr);
dummy.lookAt(target.x, target.y, target.z);
dummy.scale.set(0.75 + Math.random() * 0.5, 0.75 + Math.random() * 0.5, 0.75 + Math.random() * 0.5);
dummy.updateMatrix();
let noiseSamplePos = target.clone().multiplyScalar(0.01);
const color = new THREE.Vector3(1, 1, 1);
let mag = 0.25;
for (let i = 0; i < 12; i++) {
color.add(new THREE.Vector3(noise.simplex3(noiseSamplePos.x, noiseSamplePos.y, noiseSamplePos.z), noise.simplex3(noiseSamplePos.x + 256, noiseSamplePos.y + 256, noiseSamplePos.z + 256), noise.simplex3(noiseSamplePos.x + 512, noiseSamplePos.y + 512, noiseSamplePos.z + 512)).multiplyScalar(mag));
noiseSamplePos.multiplyScalar(2);
mag /= 2;
}
instancedMesh.setColorAt(i, new THREE.Color(color.x, color.y, color.z));
instancedMesh.setMatrixAt(i, dummy.matrix.clone());
offsetAttribute.push(Math.random() * Math.PI * 2);
}
instancedMesh.geometry.setAttribute('grassNormal', new THREE.InstancedBufferAttribute(new Float32Array(normalAttribute), 3));
instancedMesh.geometry.setAttribute('offset', new THREE.InstancedBufferAttribute(new Float32Array(offsetAttribute), 1));
scene.add(instancedMesh);
const stems = new THREE.InstancedMesh(new THREE.CylinderGeometry(0.1, 0.2, 8, 8), new THREE.MeshStandardMaterial({ color: new THREE.Color(0.5, 1, 0.0), map: new THREE.TextureLoader().load("terraincolor.png") }), 1000);
stems.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 4, 0));
stems.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
stems.material.onBeforeCompile = (shader) => {
tickers.push(shader);
shader.uniforms.time = { value: 0.0 };
shader.vertexShader = `
uniform float time;
attribute float offset;
mat4 rotationMatrix(vec3 axis, float angle)
{
axis = normalize(axis);
float s = sin(angle);
float c = cos(angle);
float oc = 1.0 - c;
return mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s, oc * axis.z * axis.x + axis.y * s, 0.0,
oc * axis.x * axis.y + axis.z * s, oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s, 0.0,
oc * axis.z * axis.x - axis.y * s, oc * axis.y * axis.z + axis.x * s, oc * axis.z * axis.z + c, 0.0,
0.0, 0.0, 0.0, 1.0);
}\n` + shader.vertexShader;
shader.vertexShader = shader.vertexShader.replace("#include <project_vertex>", /*glsl*/ `
mat4 sway = rotationMatrix(vec3(1.0, 0.0, 0.0), 0.1 * sin(time + offset));
mat4 sway2 = rotationMatrix(vec3(0.0, 1.0, 0.0), 0.1 * cos(time + offset));
gl_Position = projectionMatrix * viewMatrix * instanceMatrix * sway * sway2 * vec4(transformed, 1.0);
vec4 mvPosition = viewMatrix * instanceMatrix * sway * sway2 * vec4(transformed, 1.0);
`);
}
const flowers = new THREE.InstancedMesh(new THREE.PlaneGeometry(4, 4), new THREE.MeshBasicMaterial({ side: THREE.DoubleSide, map: new THREE.TextureLoader().load("dandelion.png"), transparent: true, alphaTest: 0.125 }), 1000);
flowers.renderOrder = 999999;
flowers.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
flowers.material.onBeforeCompile = (shader) => {
tickers.push(shader);
shader.uniforms.time = { value: 0.0 };
shader.vertexShader = `
uniform float time;
attribute float offset;
mat4 rotationMatrix(vec3 axis, float angle)
{
axis = normalize(axis);
float s = sin(angle);
float c = cos(angle);
float oc = 1.0 - c;
return mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s, oc * axis.z * axis.x + axis.y * s, 0.0,
oc * axis.x * axis.y + axis.z * s, oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s, 0.0,
oc * axis.z * axis.x - axis.y * s, oc * axis.y * axis.z + axis.x * s, oc * axis.z * axis.z + c, 0.0,
0.0, 0.0, 0.0, 1.0);
}\n` + shader.vertexShader;
shader.vertexShader = shader.vertexShader.replace("#include <project_vertex>", /*glsl*/ `
/*vec4 mvPosition = vec4( transformed, 1.0 );
#ifdef USE_INSTANCING
mvPosition = instanceMatrix * mvPosition;
#endif
vec3 camera_Up = vec3(viewMatrix[0][0], viewMatrix[1][0], viewMatrix[2][0]);
vec3 camera_Right = vec3(viewMatrix[0][1], viewMatrix[1][1], viewMatrix[2][1]);
mvPosition = vec4(mvPosition.xyz + camera_Up * );
mvPosition = modelViewMatrix * mvPosition;
gl_Position = projectionMatrix * mvPosition;*/
mat4 sway = rotationMatrix(vec3(1.0, 0.0, 0.0), 0.1 * sin(time + offset));
mat4 sway2 = rotationMatrix(vec3(0.0, 1.0, 0.0), 0.1 * cos(time + offset));
vec3 origin = (instanceMatrix * sway * sway2 * vec4(0.0, 0.0, -9.5, 1.0)).xyz;
vec3 camera_Up = vec3(viewMatrix[0][0], viewMatrix[1][0], viewMatrix[2][0]);
vec3 camera_Right = vec3(viewMatrix[0][1], viewMatrix[1][1], viewMatrix[2][1]);
vec3 p = vec3(origin + camera_Up * transformed.x * (1.0) + camera_Right * transformed.z * (1.0));
gl_Position = projectionMatrix * viewMatrix * vec4(p, 1.0);
`)
}
dummy = new THREE.Object3D();
normal = new THREE.Vector3();
const flowerOffsets = [];
const flowerBoxes = [];
stems.castShadow = true;
stems.receiveShadow = true;
scene.add(stems);
scene.add(flowers);
const bigFlower = new THREE.Mesh(new THREE.CylinderGeometry(0.1, 0.2, 8, 8), new THREE.MeshStandardMaterial({ color: new THREE.Color(0.5, 1, 0.0), map: new THREE.TextureLoader().load("terraincolor.png") }));
bigFlower.position.z = -7;
bigFlower.position.x = 4;
bigFlower.position.y = -3;
const coreTex = new THREE.TextureLoader().load("dandelionsmall.png");
coreTex.wrapS = THREE.RepeatWrapping;
coreTex.wrapT = THREE.RepeatWrapping;
coreTex.repeat.set(2, 1);
const bigFlowerCore = new THREE.Mesh(new THREE.SphereGeometry(0.25, 16, 16), new THREE.MeshStandardMaterial({ color: new THREE.Color(1, 1, 1), map: coreTex }));
bigFlowerCore.position.y = 4;
bigFlowerCore.rotation.y = -Math.PI - Math.PI / 5 + 0.1;
bigFlower.add(bigFlowerCore);
const spores = new THREE.InstancedMesh(new THREE.CylinderGeometry(0.005, 0.005, 1, 8), new THREE.MeshStandardMaterial({ transparent: true, opacity: 0.5 }), 1000);
spores.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 0.5, 0));
spores.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
const sporeFlowers = new THREE.InstancedMesh(new THREE.PlaneGeometry(0.25, 0.25), new THREE.MeshBasicMaterial({ side: THREE.FrontSide, transparent: true, map: new THREE.TextureLoader().load("dandelionspore.png"), alphaTest: 0.125 }), 1000);
const spores2 = new THREE.InstancedMesh(new THREE.CylinderGeometry(0.005, 0.005, 1, 8), new THREE.MeshStandardMaterial({ transparent: true, opacity: 0.5 }), 1000);
spores2.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 0.5, 0));
spores2.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
const sporeFlowers2 = new THREE.InstancedMesh(new THREE.PlaneGeometry(0.25, 0.25), new THREE.MeshBasicMaterial({ side: THREE.FrontSide, transparent: true, map: new THREE.TextureLoader().load("dandelionspore.png"), alphaTest: 0.125 }), 1000);
scene.add(spores2);
scene.add(sporeFlowers2);
//sporeFlowers.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(Math.PI / 2));
sporeFlowers.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 0.0, 1.0));
sporeFlowers2.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 0.0, 1.0));
dummy = new THREE.Object3D();
for (let i = 0; i < 1000; i++) {
const direction = new THREE.Vector3(Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5);
direction.normalize();
//dummy.position.copy(direction.clone().multiplyScalar(0.5));
dummy.lookAt(direction.x, direction.y, direction.z);
dummy.updateMatrix();
spores.setMatrixAt(i, dummy.matrix);
sporeFlowers.setMatrixAt(i, dummy.matrix);
}
spores.renderOrder = 10000;
sporeFlowers.renderOrder = 10000;
spores2.renderOrder = 10000;
sporeFlowers2.renderOrder = 10000;
bigFlowerCore.add(spores);
bigFlowerCore.add(sporeFlowers);
bigFlowerCore.scale.set(1.5, 1.5, 1.5);
//bigFlower.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 4, 0));
//bigFlower.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
camera.add(bigFlower);
bigFlower.visible = true;
const reflectScene = new THREE.Scene();
const ambientLight2 = new THREE.AmbientLight(new THREE.Color(1.0, 1.0, 1.0), 0.25);
reflectScene.add(ambientLight2);
const directionalLight2 = new THREE.DirectionalLight(0xffffff, 0.35);
directionalLight2.position.set(150, -100, 50);
reflectScene.add(directionalLight2);
const reflectTerrain = new THREE.Mesh(terrainMesh.geometry, terrainMesh.material);
reflectTerrain.scale.y = -1;
reflectScene.add(reflectTerrain)
const defaultTexture = new THREE.WebGLRenderTarget(clientWidth, clientHeight, {
minFilter: THREE.LinearFilter,
magFilter: THREE.NearestFilter
});
defaultTexture.depthTexture = new THREE.DepthTexture(clientWidth, clientHeight, THREE.FloatType);
const reflectTexture = new THREE.WebGLRenderTarget(clientWidth, clientHeight, {
minFilter: THREE.LinearFilter,
magFilter: THREE.NearestFilter
});
reflectTexture.depthTexture = new THREE.DepthTexture(clientWidth, clientHeight, THREE.FloatType);
// Post Effects
const composer = new EffectComposer(renderer);
const smaaPass = new SMAAPass(clientWidth, clientHeight);
const effectPass = new ShaderPass(EffectShader);
const ssaoPass = new ShaderPass(SSAOShader);
const effectCompositer = new ShaderPass(EffectCompositer);
const godRayPass = new ShaderPass(GodRaysShader);
//composer.addPass(effectPass);
composer.addPass(ssaoPass);
composer.addPass(effectCompositer);
composer.addPass(godRayPass);
composer.addPass(effectPass);
composer.addPass(smaaPass);
const makeTBN = normal => {
let helper = new THREE.Vector3(1, 0, 0);
if (Math.abs(normal.x) > 0.99) {
helper = new THREE.Vector3(0, 0, 1);
}
const tangent = normal.clone().cross(helper).normalize();
const binormal = normal.clone().cross(tangent).normalize();
const mat = new THREE.Matrix4();
mat.makeBasis(
tangent,
binormal,
normal
);
return mat;
}
const waterNormalMap = new THREE.TextureLoader().load("waternormal.jpeg");
const waterNormalMap2 = new THREE.TextureLoader().load("waternormal2.png");
waterNormalMap.wrapS = THREE.RepeatWrapping;
waterNormalMap.wrapT = THREE.RepeatWrapping;
waterNormalMap2.wrapS = THREE.RepeatWrapping;
waterNormalMap2.wrapT = THREE.RepeatWrapping;
/*const bottomSize = 10;
const topSize = 5;
const direction = new THREE.Vector3(0, 1, 0);
const height = 75;
const cylinderGeo = new THREE.CylinderGeometry(topSize, bottomSize, height, 32);
cylinderGeo.applyMatrix4(new THREE.Matrix4().makeTranslation(0, height / 2, 0));
cylinderGeo.applyMatrix4(new THREE.Matrix4().makeRotationX(Math.PI / 2));
cylinderGeo.applyMatrix4(makeTBN(direction));
scene.add(new THREE.Mesh(cylinderGeo, new THREE.MeshStandardMaterial({ color: new THREE.Color(1.0, 0.5, 0.25) })));*/
const makeTree = (geometries, position, bottomSize, topSize, direction, height, tier = 0) => {
//console.log(position);
const cylinderGeo = new THREE.CylinderGeometry(topSize, bottomSize, height, Math.max(32 / Math.pow(2, tier), 4));
cylinderGeo.applyMatrix4(new THREE.Matrix4().makeTranslation(0, height / 2, 0));
cylinderGeo.applyMatrix4(new THREE.Matrix4().makeRotationX(Math.PI / 2));
cylinderGeo.applyMatrix4(makeTBN(direction));
cylinderGeo.applyMatrix4(new THREE.Matrix4().makeTranslation(position.x, position.y, position.z));
cylinderGeo.setAttribute('leafiness', new THREE.BufferAttribute(new Float32Array(Array(cylinderGeo.attributes.position.count).fill(Math.max(tier - 1, 0))), 1));
geometries.push(cylinderGeo);
if (topSize > 0.1) {
const branchAmount = Math.random() < 0.5 ? 3 : 2;
const directions = [];
for (let i = 0; i < branchAmount; i++) {
let dir;
for (let i = 0; i < 100; i++) {
dir = direction.clone().add(new THREE.Vector3(Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5)).normalize();
let moveAlong = false;
for (let j = 0; j < directions.length; j++) {
if (directions[j].dot(dir) > 0.75) {
moveAlong = true;
}
}
if (!moveAlong) {
break;
}
}
directions.push(dir);
}
const joint = new THREE.SphereGeometry(topSize, Math.max(32 / Math.pow(2, tier), 4), Math.max(32 / Math.pow(2, tier), 4));
joint.setAttribute('leafiness', new THREE.BufferAttribute(new Float32Array(Array(joint.attributes.position.count).fill(0)), 1));
const newPosition = position.clone().add(direction.clone().multiplyScalar(height));
joint.applyMatrix4(new THREE.Matrix4().makeTranslation(newPosition.x, newPosition.y, newPosition.z));
geometries.push(joint);
for (let i = 0; i < directions.length; i++) {
makeTree(geometries, newPosition, topSize, topSize / (1.875 + Math.random() * 0.25), directions[i], height * (0.625 + 0.25 * Math.random()), tier + 1);
}
//makeTree(geometries, position.clone().add(direction.clone().multiplyScalar(height)), topSize, topSize / 2, direction.clone().add(new THREE.Vector3(Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5).multiplyScalar(1.0)).normalize(), height * 0.75);
}
return geometries;
}
const leafAlpha = new THREE.TextureLoader().load("leafalpha.png");
const leafColor = new THREE.TextureLoader().load("leafcolor.jpeg");
const leafNormal = new THREE.TextureLoader().load("leafnormal2.png");
const barkMap = new THREE.TextureLoader().load("barkmap.jpeg");
const barkColor = new THREE.TextureLoader().load("barkcolor.jpeg");
loadingElement.innerHTML = "Growing Trees...";
await nextFrame();
let tickers = [];
let treePositions = [];
let trees = [];
for (let i = 0; i < 100; i++) {
if (i % 10 === 0) {
loadingElement.innerHTML = `Growing Trees ${i}/100...`;
await nextFrame();
}
const extraHeight = Math.random();
const width = 10 * (0.75 + 0.5 * Math.random()) + 5 * extraHeight;
const treeParts = makeTree([], new THREE.Vector3(0, 0, 0), width, width / (1.875 + Math.random() * 0.25), new THREE.Vector3(0, 1, 0), 32 * (0.75 + 0.5 * Math.random()) + 32 * extraHeight);
const treeMesh = new THREE.Mesh(BufferGeometryUtils.mergeBufferGeometries(treeParts), new THREE.MeshStandardMaterial({ color: new THREE.Color((144 / 255) * (0.75 + 0.5 * Math.random()), (92 / 255) * (0.75 + 0.5 * Math.random()), (66 / 255) * (0.75 + 0.5 * Math.random())), normalMap: barkMap, map: barkColor }));
treeMesh.material.onBeforeCompile = (shader) => {
shader.uniforms.shadowTex = { value: null };
shader.uniforms.lightViewMat = { value: directionalLight.shadow.camera.matrixWorldInverse };
shader.uniforms.lightProjMat = { value: directionalLight.shadow.camera.projectionMatrix };
setTimeout(() => {
shader.uniforms.shadowTex = { value: directionalLight.shadow.map.texture }
});
shader.vertexShader = shader.vertexShader.replace("#ifdef USE_TRANSMISSION", "").replace("#ifdef USE_TRANSMISSION", "");
shader.vertexShader = shader.vertexShader.replace("#endif", "").replace("#endif", "");
shader.vertexShader = shader.vertexShader.replace("#include <worldpos_vertex>", `
vec4 worldPosition = vec4( transformed, 1.0 );
#ifdef USE_INSTANCING
worldPosition = instanceMatrix * worldPosition;
#endif
worldPosition = modelMatrix * worldPosition;
`);
shader.fragmentShader = "varying vec3 vWorldPosition;\nuniform mat4 lightViewMat;\nuniform mat4 lightProjMat;\nuniform sampler2D shadowTex;\n" + shader.fragmentShader.replace("#include <map_fragment>", `
#include <map_fragment>
vec4 projCoords = lightProjMat * lightViewMat * vec4(vWorldPosition, 1.0);
projCoords.xyz /= projCoords.w;
projCoords.xyz = projCoords.xyz * 0.5 + 0.5;
float s = 1.0;
if (projCoords.x > 0.0 && projCoords.x < 1.0 && projCoords.y > 0.0 && projCoords.y < 1.0 && projCoords.z > 0.0 && projCoords.z < 1.0) {
s = (VSMShadow(shadowTex, projCoords.xy, projCoords.z - 0.001));
}
`).replace(`#include <lights_fragment_begin>`, CustomLightShadowFragment);
}
treeMesh.geometry.computeBoundingBox();
/* treeMesh.position.x = Math.floor(i / 10) * 102.4 - 512;
treeMesh.position.z = (i % 10) * 102.4 - 512;*/
treeMesh.scale.set(0.5, 0.5, 0.5);
let surfaceDir = new THREE.Vector3();
let targetDir = new THREE.Vector3(0, -1, 0);
while (treeMesh.position.y < 10 || surfaceDir.dot(targetDir) < 0.95 ||
treePositions.some(position => Math.hypot(position.x - treeMesh.position.x, position.z - treeMesh.position.z) < 10)) {
grassSampler.sample(treeMesh.position, surfaceDir);
}
// treeMesh.rotateX(Math.PI / 2);
treeMesh.lookAt(treeMesh.position.clone().sub(surfaceDir));
treeMesh.rotateX(Math.PI / 2);
treeMesh.castShadow = true;
treeMesh.receiveShadow = true;
scene.add(treeMesh);
const leavesMesh = new THREE.InstancedMesh(new THREE.PlaneGeometry(10, 30), new THREE.MeshStandardMaterial({ side: THREE.DoubleSide, color: new THREE.Color(Math.random(), 2.5 + 1.0 * Math.random(), Math.random()), alphaMap: leafAlpha, map: leafColor, normalMap: leafNormal, alphaTest: 0.5 }), 1000 + 1000 * extraHeight);
let currLeavesShader;
const leafCenter = new THREE.Vector3();
leavesMesh.material.onBeforeCompile = (shader) => {
currLeavesShader = shader;
tickers.push(shader);
shader.uniforms.time = { value: 0 };
shader.uniforms.leafCenter = { value: leafCenter };
shader.uniforms.cameraPos = { value: camera.position };
shader.vertexShader = /*glsl*/ `
#define STANDARD
varying vec3 vViewPosition;
varying vec3 vWorldPosition;
uniform float time;
#include <common>
#include <uv_pars_vertex>
#include <uv2_pars_vertex>
#include <displacementmap_pars_vertex>
#include <color_pars_vertex>
#include <fog_pars_vertex>
#include <normal_pars_vertex>
#include <morphtarget_pars_vertex>
#include <skinning_pars_vertex>
#include <shadowmap_pars_vertex>
#include <logdepthbuf_pars_vertex>
#include <clipping_planes_pars_vertex>
void main() {
#include <uv_vertex>
#include <uv2_vertex>
#include <color_vertex>
#include <morphcolor_vertex>
#include <beginnormal_vertex>
#include <morphnormal_vertex>
#include <skinbase_vertex>
#include <skinnormal_vertex>
#include <defaultnormal_vertex>
#include <normal_vertex>
#include <begin_vertex>
vec3 origin = (instanceMatrix * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
if (transformed.z < -1.0) {
transformed.x += 2.0 * sin(time + 0.025 * origin.z);
transformed.y += 2.0 * cos(time + 0.025 * origin.x);
}
#include <morphtarget_vertex>
#include <skinning_vertex>
#include <displacementmap_vertex>
#include <project_vertex>
#include <logdepthbuf_vertex>
#include <clipping_planes_vertex>
vViewPosition = - mvPosition.xyz;
#include <worldpos_vertex>
#include <shadowmap_vertex>
#include <fog_vertex>
vWorldPosition = worldPosition.xyz;
}
`;
shader.fragmentShader = "uniform vec3 leafCenter;\nvarying vec3 vWorldPosition;\nuniform vec3 cameraPos;\n" + shader.fragmentShader.replace("#include <normal_fragment_maps>", /*glsl*/ `
#include <normal_fragment_maps>
mat4 viewMatrixInv = inverse(viewMatrix);
//vec3 fromCenter = normalize(vWorldPosition - leafCenter);
vec3 scatteringHalf = normalize(normalize(vec3(300.0, 200.0, 100.0)) + 0.25 * fromCenter);
float scatteringDot = pow(clamp(dot(normalize(cameraPos - vWorldPosition), -scatteringHalf), 0.0, 1.0), 8.0);
//gl_FragColor = vec4(vec3(scatteringDot), 1.0);
//return;
totalEmissiveRadiance += scatteringDot * vec3(0.07, 0.76, 0.1);
//totalEmissiveRadiance += 0.5 * (max(dot(fromCenter, normalize(vec3(300.0, 200.0, 100.0))), 0.0)) * vec3(0.07, 0.76, 0.1);
`);
shader.uniforms.shadowTex = { value: null };
shader.uniforms.lightViewMat = { value: directionalLight.shadow.camera.matrixWorldInverse };
shader.uniforms.lightProjMat = { value: directionalLight.shadow.camera.projectionMatrix };
setTimeout(() => {
shader.uniforms.shadowTex = { value: directionalLight.shadow.map.texture }
});
shader.fragmentShader = "uniform mat4 lightViewMat;\nuniform mat4 lightProjMat;\nuniform sampler2D shadowTex;\n" + shader.fragmentShader.replace("#include <map_fragment>", `
#include <map_fragment>
vec3 fromCenter = normalize(vWorldPosition - leafCenter);
vec4 projCoords = lightProjMat * lightViewMat * vec4(vWorldPosition, 1.0);
projCoords.xyz /= projCoords.w;
projCoords.xyz = projCoords.xyz * 0.5 + 0.5;
float s = 1.0;
if (projCoords.x > 0.0 && projCoords.x < 1.0 && projCoords.y > 0.0 && projCoords.y < 1.0 && projCoords.z > 0.0 && projCoords.z < 1.0) {
s = max(dot(fromCenter, normalize(vec3(300.0, 200.0, 100.0))), 0.0);
}
`).replace(`#include <lights_fragment_begin>`, CustomLightShadowFragment);
shader.fragmentShader = shader.fragmentShader.replace("#include <normal_fragment_begin>", `
float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
vec3 normal = normalize(vWorldPosition - leafCenter);
vec3 geometryNormal = normal;
`);
}
leavesMesh.geometry.applyMatrix4(new THREE.Matrix4().makeTranslation(0, 15, 0));
leavesMesh.geometry.applyMatrix4(new THREE.Matrix4().makeRotationX(-Math.PI / 2));
leavesMesh.castShadow = true;
leavesMesh.receiveShadow = true;
//console.log(leavesMesh.geometry.attributes.position);
const sampler = new MeshSurfaceSampler(treeMesh).setWeightAttribute('leafiness').build();
const dummy = new THREE.Object3D();
for (let i = 0; i < leavesMesh.count; i++) {
sampler.sample(dummy.position, normal);
leafCenter.add(dummy.position);
let target = dummy.position.clone().add(normal);
dummy.lookAt(target.x, target.y, target.z);
dummy.updateMatrix();
leavesMesh.setMatrixAt(i, dummy.matrix);
}
leafCenter.divideScalar(leavesMesh.count);
leafCenter.applyMatrix4(treeMesh.matrix);
treeMesh.add(leavesMesh);
trees.push(treeMesh);
treePositions.push(treeMesh.position);
}
let rockPositions = [];
const rockTextures = [
new THREE.TextureLoader().load("rockcolor1.jpeg"),
new THREE.TextureLoader().load("rockcolor2.jpeg"),
new THREE.TextureLoader().load("rockcolor3.jpeg"),
new THREE.TextureLoader().load("rockcolor4.jpeg"),
new THREE.TextureLoader().load("rockcolor5.jpeg")
];
rockTextures.forEach(rockT => {
rockT.wrapS = THREE.RepeatWrapping;
rockT.wrapT = THREE.RepeatWrapping;
});
const rockNormals = [
new THREE.TextureLoader().load("rocknormal1.png"),
new THREE.TextureLoader().load("rocknormal2.png"),
new THREE.TextureLoader().load("rocknormal3.png"),
new THREE.TextureLoader().load("rocknormal4.png"),
new THREE.TextureLoader().load("rocknormal5.png")
];
rockNormals.forEach(rockN => {
rockN.wrapS = THREE.RepeatWrapping;
rockN.wrapT = THREE.RepeatWrapping;
})
loadingElement.innerHTML = "Carving Rocks...";
await nextFrame();
const levelGeos = [
new THREE.IcosahedronGeometry(5, 40),
new THREE.IcosahedronGeometry(5, 20),
new THREE.IcosahedronGeometry(5, 10),
new THREE.IcosahedronGeometry(5, 5),
new THREE.IcosahedronGeometry(5, 2)
];
let rocks = [];
for (let i = 0; i < 100; i++) {
if (i % 10 === 0) {
loadingElement.innerHTML = `Carving Rocks ${i}/100...`;
await nextFrame();
}
const lodMesh = new THREE.LOD();
let surfaceDir = new THREE.Vector3();
let targetDir = new THREE.Vector3(0, -1, 0);
while (lodMesh.position.y < 10 || surfaceDir.dot(targetDir) < 0.95 ||
treePositions.some(position => Math.hypot(position.x - lodMesh.position.x, position.z - lodMesh.position.z) < 10) ||
rockPositions.some(position => Math.hypot(position.x - lodMesh.position.x, position.z - lodMesh.position.z) < 10)) {
grassSampler.sample(lodMesh.position, surfaceDir);
}
surfaceDir.y *= -1;
lodMesh.position.add(surfaceDir.clone().multiplyScalar(5));
let verticalMajor = Math.random() < 0.2;
lodMesh.scale.set(0.5 + 1 * Math.random() + 0.5 * verticalMajor, verticalMajor ? 0.5 + 1.25 * Math.random() : 0.5 + 0.5 * Math.random(), 0.5 + 1 * Math.random() + 0.5 * verticalMajor);
const rockIndex = Math.floor(Math.random() * rockTextures.length);
const rockMat = new THREE.MeshStandardMaterial({ color: new THREE.Color(0.75 + Math.random() * 0.25, 0.75 + Math.random() * 0.25, 0.75 + Math.random() * 0.25), map: rockTextures[rockIndex], normalMap: rockNormals[rockIndex] });
rockMat.onBeforeCompile = (shader) => {
shader.uniforms.shadowTex = { value: null };
shader.uniforms.lightViewMat = { value: directionalLight.shadow.camera.matrixWorldInverse };
shader.uniforms.lightProjMat = { value: directionalLight.shadow.camera.projectionMatrix };
setTimeout(() => {
shader.uniforms.shadowTex = { value: directionalLight.shadow.map.texture }
});
shader.vertexShader = shader.vertexShader.replace("#ifdef USE_TRANSMISSION", "").replace("#ifdef USE_TRANSMISSION", "");
shader.vertexShader = shader.vertexShader.replace("#endif", "").replace("#endif", "");
shader.vertexShader = shader.vertexShader.replace("#include <worldpos_vertex>", `
vec4 worldPosition = vec4( transformed, 1.0 );
#ifdef USE_INSTANCING
worldPosition = instanceMatrix * worldPosition;
#endif
worldPosition = modelMatrix * worldPosition;
`);
shader.fragmentShader = "varying vec3 vWorldPosition;\nuniform mat4 lightViewMat;\nuniform mat4 lightProjMat;\nuniform sampler2D shadowTex;\n" + shader.fragmentShader.replace("#include <map_fragment>", `
mat4 viewMatrixInv = inverse(viewMatrix);
vec2 yUv = vWorldPosition.xz * 0.1;
vec2 xUv = vWorldPosition.zy * 0.1;
vec2 zUv = vWorldPosition.xy * 0.1;
vec3 yDiff = texture2D(map, yUv).xyz;
vec3 xDiff = texture2D(map, xUv).xyz;
vec3 zDiff = texture2D(map, zUv).xyz;
vec3 blendWeights = abs((viewMatrixInv * vec4(vNormal, 0.0)).xyz);
blendWeights = blendWeights / (blendWeights.x + blendWeights.y + blendWeights.z);
diffuseColor *= vec4((xDiff * blendWeights.x + yDiff * blendWeights.y + zDiff * blendWeights.z), 1.0);
vec4 projCoords = lightProjMat * lightViewMat * vec4(vWorldPosition, 1.0);
projCoords.xyz /= projCoords.w;
projCoords.xyz = projCoords.xyz * 0.5 + 0.5;
float s = 1.0;
if (projCoords.x > 0.0 && projCoords.x < 1.0 && projCoords.y > 0.0 && projCoords.y < 1.0 && projCoords.z > 0.0 && projCoords.z < 1.0) {
s = (VSMShadow(shadowTex, projCoords.xy, projCoords.z - 0.001));
}
`).replace("#include <normal_fragment_maps>", `
vec3 yNormal = texture2D(normalMap, yUv).xyz;
vec3 xNormal = texture2D(normalMap, xUv).xyz;
vec3 zNormal = texture2D(normalMap, zUv).xyz;
vec3 mapN = (xNormal * blendWeights.x + yNormal * blendWeights.y + zNormal * blendWeights.z) * 2.0 - 1.0;
mapN.xy *= normalScale;
#ifdef USE_TANGENT
normal = normalize( vTBN * mapN );
#else
normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );
#endif
`).replace(`#include <lights_fragment_begin>`, CustomLightShadowFragment);
};
//new THREE.IcosahedronGeometry(5, Math.round(80 / (2 ** level)))
for (let level = 0; level < levelGeos.length; level++) {
const rockMesh = new THREE.Mesh(levelGeos[level].clone(), rockMat);
const posAttr = rockMesh.geometry.attributes.position;
for (let j = 0; j < posAttr.count; j++) {
const position = new THREE.Vector3(posAttr.getX(j), posAttr.getY(j), posAttr.getZ(j));
let amt = 1.0;
let mag = 0.25;
let freq = 0.1;
let shift = 0.0;
for (let k = 0; k < 12 - 2 * level; k++) {
amt += mag * noise.simplex3(freq * position.x + i * 100 + 512 + shift, freq * position.y + i * 200 + 1024 + shift, freq * position.z + i * 300 + 2048 + shift);
mag /= 2;
freq *= 2;
shift += 128.0;
}
const magnitude = amt;
position.multiplyScalar(magnitude);
posAttr.setXYZ(j, position.x, position.y, position.z);
}
rockMesh.geometry.computeVertexNormals();
rockMesh.geometry.computeBoundingBox();
rockMesh.castShadow = true;
rockMesh.receiveShadow = true;
lodMesh.addLevel(rockMesh, 20 + (level) * 40);
}
lodMesh.lookAt(lodMesh.position.clone().add(surfaceDir.clone().multiplyScalar(5)));
lodMesh.rotateX(Math.PI / 2);
lodMesh.castShadow = true;
lodMesh.receiveShadow = true;
rockPositions.push(lodMesh.position);
lodMesh.autoUpdate = false;
lodMesh._currentLevel = 0;
scene.add(lodMesh);
rocks.push(lodMesh);
}
for (let i = 0; i < 1000; i++) {
grassSampler.sample(dummy.position, normal);
// console.log(i);
// console.log(normal.clone().dot(up));
if (Math.random() > Math.pow(normal.clone().dot(up), 10.0) ||
Math.random() > dummy.position.y * 0.1 ||
treePositions.some(position => Math.hypot(position.x - dummy.position.x, position.z - dummy.position.z) < 10) ||
rockPositions.some(position => Math.hypot(position.x - dummy.position.x, position.z - dummy.position.z) < 10)) {
i--;
continue;
}
let target = dummy.position.clone().add(normal);
const normalArr = [...normal.clone()];
normalArr[1] *= -1;
normalAttribute.push(...normalArr);
dummy.lookAt(target.x, target.y, target.z);
// dummy.scale.set(0.75 + Math.random() * 0.5, 0.75 + Math.random() * 0.5, 0.75 + Math.random() * 0.5);
dummy.updateMatrix();
stems.setMatrixAt(i, dummy.matrix.clone());
//dummy.position.copy(dummy.position.clone().add(normal.clone().multiplyScalar(-9.5)));
//dummy.updateMatrix();
flowers.setMatrixAt(i, dummy.matrix.clone());
flowerOffsets.push(Math.random() * 2 * Math.PI);
flowerBoxes.push(new THREE.Box3().setFromCenterAndSize(dummy.position.clone().add(normal.clone().multiplyScalar(-5)), new THREE.Vector3(5, 10, 5)));
}
flowerBoxes.forEach((box, i) => {
box.index = i;
});
flowers.geometry.setAttribute('offset', new THREE.InstancedBufferAttribute(new Float32Array(flowerOffsets), 1));
stems.geometry.setAttribute('offset', new THREE.InstancedBufferAttribute(new Float32Array(flowerOffsets), 1));
//scene.add(new THREE.Mesh(BufferGeometryUtils.mergeBufferGeometries(treeParts), new THREE.MeshStandardMaterial({ color: new THREE.Color(1.0, 0.5, 0.25) })));
loadingElement.innerHTML = "Summoning Butterflies...";
await nextFrame();
const butterfly = await AssetManager.loadGLTFAsync("butterfly.glb");