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Mini Shell
Mini Shell
//UberViz FXHandler
//Handles Post-Proc Shaders
var FXHandler = function() {
var shaderTime = 0;
var screenW = 800;
var screenH = 600;
var blurriness = 3;
function init(){
//EVENT HANDLERS
events.on("update", update);
events.on("onBeat", onBeat);
// POST PROCESSING
//common render target params
var renderTargetParameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBufer: false };
//RENDER COMP - BASE LAYER
//renderComposer
renderTarget = new THREE.WebGLRenderTarget( screenW, screenH, renderTargetParameters );
renderComposer = new THREE.EffectComposer( VizHandler.getRenderer(),renderTarget);
renderPass = new THREE.RenderPass( VizHandler.getScene(), VizHandler.getCamera() );
copyPass = new THREE.ShaderPass( THREE.CopyShader );
bloomPass = new THREE.BloomPass(3,12,2.0,512 );
renderComposer.addPass( renderPass );
renderComposer.addPass( bloomPass );
renderComposer.addPass( copyPass );
//GLOW COMP - ADDIITVELY BLENDED LAYER
hblurPass = new THREE.ShaderPass( THREE.HorizontalBlurShader );
vblurPass = new THREE.ShaderPass( THREE.VerticalBlurShader );
hblurPass.uniforms[ 'h' ].value = blurriness/screenW;
vblurPass.uniforms[ 'v' ].value = blurriness/screenH;
copyPass = new THREE.ShaderPass( THREE.CopyShader );
renderTarget2 = new THREE.WebGLRenderTarget( screenW/4, screenH/4, renderTargetParameters ); //1/2 res for performance
glowComposer = new THREE.EffectComposer( VizHandler.getRenderer(),renderTarget2);
glowComposer.addPass( copyPass );
glowComposer.addPass( renderPass );
glowComposer.addPass( bloomPass );
glowComposer.addPass( hblurPass );
glowComposer.addPass( vblurPass );
glowComposer.addPass( hblurPass );
glowComposer.addPass( vblurPass );
//BLEND COMP - COMBINE 1st 2 PASSES
blendComposer = new THREE.EffectComposer( VizHandler.getRenderer() );
blendPass = new THREE.ShaderPass( THREE.AdditiveBlendShader );
blendPass.uniforms[ 'tBase' ].value = renderComposer.renderTarget1;
blendPass.uniforms[ 'tAdd' ].value = glowComposer.renderTarget1;
blendPass.uniforms[ 'amount' ].value = 0;
blendComposer.addPass( blendPass );
//PASSES ON FINAL OUTPUT
filmPass = new THREE.ShaderPass( THREE.FilmShader );
filmPass.uniforms[ "grayscale" ].value = 0;
filmPass.uniforms[ "sIntensity" ].value = 0.8;
filmPass.uniforms[ "sCount" ].value = 600;
badTVPass = new THREE.ShaderPass( THREE.BadTVShader );
badTVPass.uniforms[ "rollSpeed" ].value = 0;
badTVPass.uniforms[ "distortion" ].value = 0;
badTVPass.uniforms[ "distortion2" ].value = 0;
mirrorPass = new THREE.ShaderPass( THREE.MirrorShader );
mirrorPass.uniforms[ "side" ].value =2;
rgbPass = new THREE.ShaderPass( THREE.RGBShiftShader );
blendComposer.addPass( mirrorPass );
blendComposer.addPass( badTVPass );
blendComposer.addPass( rgbPass );
blendComposer.addPass( filmPass );
filmPass.renderToScreen = true;
}
function onBeat(){
//beat detected
badTVPass.uniforms[ "distortion" ].value = 4.0;
badTVPass.uniforms[ "distortion2" ].value = 5.0;
mirrorPass.uniforms[ "side" ].value = Math.floor(ATUtil.getRand(0,3));
setTimeout(onBeatEnd,300);
}
function onBeatEnd(){
badTVPass.uniforms[ "distortion" ].value = 0.0001;
badTVPass.uniforms[ "distortion2" ].value = 0.0001;
}
function update( t ) {
shaderTime += 0.1;
filmPass.uniforms[ 'time' ].value = shaderTime;
badTVPass.uniforms[ 'time' ].value = shaderTime;
blendPass.uniforms[ 'amount' ].value = ControlsHandler.fxParams.glow;
renderComposer.render( 0.1 );
glowComposer.render( 0.1 );
blendComposer.render( 0.1 );
}
return {
init:init,
update:update,
onBeat:onBeat
};
}();
Zerion Mini Shell 1.0