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Merge pull request #7 from BLaZeKiLL/wip/scene-json
Scene json integration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| import fs from 'fs'; | ||
|
|
||
| function random_color() { | ||
| return [ | ||
| Math.random() * Math.random(), | ||
| Math.random() * Math.random(), | ||
| Math.random() * Math.random() | ||
| ]; | ||
| } | ||
|
|
||
| function random_color_satu() { | ||
| return [ | ||
| (Math.random() / 2) + 0.5, | ||
| (Math.random() / 2) + 0.5, | ||
| (Math.random() / 2) + 0.5 | ||
| ]; | ||
| } | ||
|
|
||
| function rgbToHex(color) { | ||
| return "#" + (1 << 24 | color[0] << 16 | color[1] << 8 | color[2]).toString(16).slice(1); | ||
| } | ||
|
|
||
| function make_sphere(name, id, mid, center, radius) { | ||
| return { | ||
| name: name, | ||
| id: id, | ||
| material_id: mid, | ||
| type: { | ||
| type: 'd_sphere', | ||
| position: center, | ||
| radius: radius | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| function make_mat_diffuse(name, mid, color) { | ||
| return { | ||
| name: name, | ||
| id: mid, | ||
| type: { | ||
| type: 'd_mat_diffuse', | ||
| color: color | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| function make_mat_metal(name, mid, color, roughness) { | ||
| return { | ||
| name: name, | ||
| id: mid, | ||
| type: { | ||
| type: 'd_mat_metal', | ||
| color: color, | ||
| roughness: roughness | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| function make_mat_dielectric(name, mid, ior) { | ||
| return { | ||
| name: name, | ||
| id: mid, | ||
| type: { | ||
| type: 'd_mat_dielectric', | ||
| ior: ior | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| function vec3f_subtract(a, b) { | ||
| return [a[0] - b[0], a[1] - b[1], a[2] - b [2]]; | ||
| } | ||
|
|
||
| function vec3f_length(a) { | ||
| return Math.sqrt((a[0] * a[0]) + (a[1] * a[1]) + (a[2] * a[2])); | ||
| } | ||
|
|
||
| const scene = { | ||
| objects: [], | ||
| materials: [], | ||
| camera: { | ||
| look_from: [13, 2, 3], | ||
| look_at: [0, 0, 0], | ||
| v_up: [0, 1, 0], | ||
| v_fov: 20, | ||
| dof_angle: 0.6, | ||
| dof_distance: 10 | ||
| }, | ||
| render_settings: { | ||
| width: 1920, | ||
| height: 1080, | ||
| samples: 64, | ||
| bounces: 12, | ||
| tile_size: { | ||
| type: 'd_tile_size', | ||
| size: 256 | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| let mat_id = 0; | ||
| let obj_id = 0; | ||
|
|
||
| mat_id++; | ||
| obj_id++; | ||
|
|
||
| scene.materials.push(make_mat_diffuse(`Mat ${mat_id}`, mat_id, rgbToHex([0.5, 0.5, 0.5].map(x => x * 255)))); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, [0, -1000, 0], 1000)); | ||
|
|
||
| for (let x = -11; x < 11; x++) { | ||
| for (let y = -11; y < 11; y++) { | ||
| const choose_mat = Math.random(); | ||
|
|
||
| const position = [ | ||
| x + (0.9 * Math.random()), | ||
| 0.2, | ||
| y + (0.9 * Math.random()) | ||
| ]; | ||
|
|
||
| if (vec3f_length(vec3f_subtract(position, [4, 0.2, 0.0])) > 0.9) { | ||
| mat_id++; | ||
| obj_id++; | ||
|
|
||
| if (choose_mat < 0.8) { | ||
| const color = rgbToHex(random_color().map(x => x * 255)); | ||
| scene.materials.push(make_mat_diffuse(`Mat ${mat_id}`, mat_id, color)); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, position, 0.2)); | ||
| } else if (choose_mat < 0.95) { | ||
| const color = rgbToHex(random_color_satu().map(x => x * 255)); | ||
| scene.materials.push(make_mat_metal(`Mat ${mat_id}`, mat_id, color, Math.random() * 0.5)); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, position, 0.2)); | ||
| } else { | ||
| scene.materials.push(make_mat_dielectric(`Mat ${mat_id}`, mat_id, 1.5)); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, position, 0.2)); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| mat_id++; | ||
| obj_id++; | ||
|
|
||
| scene.materials.push(make_mat_dielectric(`Mat ${mat_id}`, mat_id, 1.5)); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, [0, 1, 0], 1.0)); | ||
|
|
||
| mat_id++; | ||
| obj_id++; | ||
|
|
||
| scene.materials.push(make_mat_diffuse(`Mat ${mat_id}`, mat_id, rgbToHex([0.4, 0.2, 0.1].map(x => x * 255)))); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, [-4, 1, 0], 1.0)); | ||
|
|
||
| mat_id++; | ||
| obj_id++; | ||
|
|
||
| scene.materials.push(make_mat_metal(`Mat ${mat_id}`, mat_id, rgbToHex([0.7, 0.6, 0.5].map(x => x * 255)), 0)); | ||
| scene.objects.push(make_sphere(`Obj ${obj_id}`, obj_id, mat_id, [4, 1, 0], 1.0)); | ||
|
|
||
| const path = './src/data/demo_02.scene.json'; | ||
|
|
||
| fs.writeFile(path, JSON.stringify(scene, null, 4), err => { | ||
| if (err) { | ||
| console.error('Error writing JSON to file:', err); | ||
| } else { | ||
| console.log('JSON data has been written to', path); | ||
| } | ||
| }); |
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