mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-08-22 05:10:45 +02:00
140 lines
2.8 KiB
JavaScript
140 lines
2.8 KiB
JavaScript
|
/**
|
||
|
* @author alteredq / http://alteredqualia.com/
|
||
|
*/
|
||
|
|
||
|
THREE.EffectComposer = function ( renderer, renderTarget ) {
|
||
|
|
||
|
this.renderer = renderer;
|
||
|
|
||
|
if ( renderTarget === undefined ) {
|
||
|
|
||
|
var pixelRatio = renderer.getPixelRatio();
|
||
|
|
||
|
var width = Math.floor( renderer.context.canvas.width / pixelRatio ) || 1;
|
||
|
var height = Math.floor( renderer.context.canvas.height / pixelRatio ) || 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();
|
||
|
|
||
|
var pixelRatio = this.renderer.getPixelRatio();
|
||
|
|
||
|
renderTarget.width = Math.floor( this.renderer.context.canvas.width / pixelRatio );
|
||
|
renderTarget.height = Math.floor( this.renderer.context.canvas.height / pixelRatio );
|
||
|
|
||
|
}
|
||
|
|
||
|
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 );
|
||
|
|
||
|
}
|
||
|
|
||
|
};
|