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Mini Shell
Mini Shell
/**
* @author alteredq / http://alteredqualia.com/
*/
THREE.EffectComposer = function ( renderer, renderTarget ) {
this.renderer = renderer;
if ( renderTarget === undefined ) {
var width = window.innerWidth || 1;
var height = window.innerHeight || 1;
var parameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBuffer: false };
renderTarget = new THREE.WebGLRenderTarget( width, height, parameters );
}
this.renderTarget1 = renderTarget;
this.renderTarget2 = renderTarget.clone();
this.writeBuffer = this.renderTarget1;
this.readBuffer = this.renderTarget2;
this.passes = [];
if ( THREE.CopyShader === undefined )
console.error( "THREE.EffectComposer relies on THREE.CopyShader" );
this.copyPass = new THREE.ShaderPass( THREE.CopyShader );
};
THREE.EffectComposer.prototype = {
swapBuffers: function() {
var tmp = this.readBuffer;
this.readBuffer = this.writeBuffer;
this.writeBuffer = tmp;
},
addPass: function ( pass ) {
this.passes.push( pass );
},
insertPass: function ( pass, index ) {
this.passes.splice( index, 0, pass );
},
render: function ( delta ) {
this.writeBuffer = this.renderTarget1;
this.readBuffer = this.renderTarget2;
var maskActive = false;
var pass, i, il = this.passes.length;
for ( i = 0; i < il; i ++ ) {
pass = this.passes[ i ];
if ( !pass.enabled ) continue;
pass.render( this.renderer, this.writeBuffer, this.readBuffer, delta, maskActive );
if ( pass.needsSwap ) {
if ( maskActive ) {
var context = this.renderer.context;
context.stencilFunc( context.NOTEQUAL, 1, 0xffffffff );
this.copyPass.render( this.renderer, this.writeBuffer, this.readBuffer, delta );
context.stencilFunc( context.EQUAL, 1, 0xffffffff );
}
this.swapBuffers();
}
if ( pass instanceof THREE.MaskPass ) {
maskActive = true;
} else if ( pass instanceof THREE.ClearMaskPass ) {
maskActive = false;
}
}
},
reset: function ( renderTarget ) {
if ( renderTarget === undefined ) {
renderTarget = this.renderTarget1.clone();
renderTarget.width = window.innerWidth;
renderTarget.height = window.innerHeight;
}
this.renderTarget1 = renderTarget;
this.renderTarget2 = renderTarget.clone();
this.writeBuffer = this.renderTarget1;
this.readBuffer = this.renderTarget2;
},
setSize: function ( width, height ) {
var renderTarget = this.renderTarget1.clone();
renderTarget.width = width;
renderTarget.height = height;
this.reset( renderTarget );
}
};
// shared ortho camera
THREE.EffectComposer.camera = new THREE.OrthographicCamera( -1, 1, 1, -1, 0, 1 );
THREE.EffectComposer.quad = new THREE.Mesh( new THREE.PlaneGeometry( 2, 2 ), null );
THREE.EffectComposer.scene = new THREE.Scene();
THREE.EffectComposer.scene.add( THREE.EffectComposer.quad );
Zerion Mini Shell 1.0