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pass all blending parameters to setBlending in SpritePlugin #11322

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merged 1 commit into from
May 14, 2017
Merged

pass all blending parameters to setBlending in SpritePlugin #11322

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1 change: 1 addition & 0 deletions examples/files.js
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Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,7 @@ var files = {
"webgl_simple_gi",
"webgl_skinning_simple",
"webgl_sprites",
"webgl_sprites_alpha",
"webgl_terrain_dynamic",
"webgl_test_memory",
"webgl_test_memory2",
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Binary file added examples/textures/sprite3.png
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107 changes: 107 additions & 0 deletions examples/webgl_sprites_alpha.html
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@@ -0,0 +1,107 @@
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - sprites - premultiplied alpha</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
</style>
</head>

<body>


<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - webgl sprites alpha example -
left is without premultiplied alpha, right is with premultiplied alpha
</div>

<script src="../build/three.js"></script>

<script>

var camera, scene, renderer;

init();
animate();

function init() {

var width = window.innerWidth;
var height = window.innerHeight;

camera = new THREE.PerspectiveCamera( 60, width / height, 1, 1000 );
camera.position.z = 100;

scene = new THREE.Scene();

// create sprites
var textureLoader = new THREE.TextureLoader();
var spriteTexture = textureLoader.load( "textures/sprite3.png" );
var spriteTexturePremultiplied = textureLoader.load( "textures/sprite3.png" );
spriteTexturePremultiplied.premultiplyAlpha = true;

var materialPremultiplied = new THREE.SpriteMaterial( {
map: spriteTexturePremultiplied,
premultipliedAlpha: true
} );
var spritePremultiplied = new THREE.Sprite( materialPremultiplied );
spritePremultiplied.scale.set( 40, 40, 40 );
spritePremultiplied.position.set( 20, 0, 0 );
scene.add( spritePremultiplied );

var materialNonPremultiplied = new THREE.SpriteMaterial( { map: spriteTexture } );
var spriteNonPremultiplied = new THREE.Sprite( materialNonPremultiplied );
spriteNonPremultiplied.scale.set( 40, 40, 40 );
spriteNonPremultiplied.position.set( -20, 0, 0 );
scene.add( spriteNonPremultiplied );

// renderer

renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setClearColor( new THREE.Color( 'white' ) );

document.body.appendChild( renderer.domElement );

//

window.addEventListener( 'resize', onWindowResize, false );

}

function onWindowResize() {

var width = window.innerWidth;
var height = window.innerHeight;

camera.aspect = width / height;
camera.updateProjectionMatrix();

renderer.setSize( window.innerWidth, window.innerHeight );

}

function animate() {

requestAnimationFrame( animate );
render();

}

function render() {

renderer.render( scene, camera );

}

</script>
</body>
</html>
2 changes: 1 addition & 1 deletion src/renderers/webgl/plugins/SpritePlugin.js
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Expand Up @@ -223,7 +223,7 @@ function SpritePlugin( renderer, sprites ) {
gl.uniform1f( uniforms.rotation, material.rotation );
gl.uniform2fv( uniforms.scale, scale );

state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst );
state.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha );
state.buffers.depth.setTest( material.depthTest );
state.buffers.depth.setMask( material.depthWrite );

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