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Merged
merged 3 commits into from
Jan 20, 2022
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Examples: Refactor blending examples. #23246

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039cfe7
Examples: Refactor blending examples.
Mugen87 Jan 19, 2022
c923328
Merge remote-tracking branch 'upstream/dev' into dev63
Mugen87 Jan 19, 2022
6d2f867
WebGLState: Update subtractive blending equation.
Mugen87 Jan 20, 2022
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Binary file modified examples/screenshots/webgl_materials_blending.jpg
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27 changes: 7 additions & 20 deletions examples/webgl_materials_blending.html
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Original file line number Diff line number Diff line change
Expand Up @@ -45,9 +45,9 @@

// BACKGROUND

const canvasBackground = document.createElement( 'canvas' );
const ctx = canvasBackground.getContext( '2d' );
canvasBackground.width = canvasBackground.height = 128;
const canvas = document.createElement( 'canvas' );
const ctx = canvas.getContext( '2d' );
canvas.width = canvas.height = 128;
ctx.fillStyle = '#ddd';
ctx.fillRect( 0, 0, 128, 128 );
ctx.fillStyle = '#555';
Expand All @@ -59,21 +59,11 @@
ctx.fillStyle = '#777';
ctx.fillRect( 96, 96, 32, 32 );

mapBg = new THREE.CanvasTexture( canvasBackground );
mapBg.wrapS = mapBg.wrapT = THREE.RepeatWrapping;
mapBg.repeat.set( 128, 64 );

/*
let mapBg = textureLoader.load( 'textures/disturb.jpg' );
mapBg = new THREE.CanvasTexture( canvas );
mapBg.wrapS = mapBg.wrapT = THREE.RepeatWrapping;
mapBg.repeat.set( 8, 4 );
*/
mapBg.repeat.set( 64, 32 );

const materialBg = new THREE.MeshBasicMaterial( { map: mapBg } );

const meshBg = new THREE.Mesh( new THREE.PlaneGeometry( 4000, 2000 ), materialBg );
meshBg.position.set( 0, 0, - 1 );
scene.add( meshBg );
scene.background = mapBg;

// OBJECTS

Expand Down Expand Up @@ -125,12 +115,9 @@

}

const canvas = document.createElement( 'canvas' );
const context = canvas.getContext( 'webgl2', { alpha: false } ); // TODO Remove workaround

// RENDERER

renderer = new THREE.WebGLRenderer( { canvas: canvas, context: context } );
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
Expand Down
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