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Renderable.js
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Renderable.js
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/**
* milkshake -- WebGL Milkdrop-esque visualisation (port of projectM)
* Copyright (C)2011 Matt Gattis and contributors
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* See 'LICENSE.txt' included within this release
*
*/
var RenderItem = Class.extend({
init: function(literal) {
this.masterAlpha = 1.0;
for (var prop in literal)
this[prop] = literal[prop];
},
Draw: function () {}
});
var WaveMode = {
Circle: 0,
RadialBlob: 1,
Blob2: 2,
Blob3: 3,
DerivativeLine: 4,
Blob5: 5,
Line: 6,
DoubleLine: 7
};
var MilkdropWaveform = RenderItem.extend({
init: function(literal) {
this.x = 0.5;
this.y = 0.5;
this.r = 1;
this.g = 0;
this.b = 0;
this.a = 1;
this.mystery = 0;
this.mode = WaveMode.Line;
this.additive = false;
this.dots = false;
this.thick = false;
this.modulateAlphaByVolume = false;
this.maximizeColors = false;
this.scale = 10;
this.smoothing = 0;
this.rot = 0;
this.samples = 0;
this.modOpacityStart = 0;
this.modOpacityEnd = 1;
this._super(literal);
this.wavearray = new Float32Array(2048*2);
this.wavearray2 = new Float32Array(2048*2);
this.wavearraybuf = gl.createBuffer();
this.wavearray2buf = gl.createBuffer();
},
Draw: function(context) {
this.WaveformMath(context);
uMatrixMode( U_MODELVIEW );
uPushMatrix();
uLoadIdentity();
if (this.modulateAlphaByVolume) {
if (context.music.vol <= this.modOpacityStart) this.temp_a = 0.0;
else if (context.music.vol >= this.modOpacityEnd) this.temp_a = this.a;
else this.temp_a = this.a*((context.music.vol-this.modOpacityStart)/(this.modOpacityEnd-this.modOpacityStart));
} else this.temp_a = this.a;
this.MaximizeColors(context);
if (this.thick == 1)
gl.lineWidth((context.texsize < 512 ) ? 2 : 2*context.texsize/512);
else gl.lineWidth((context.texsize < 512 ) ? 1 : context.texsize/512);
gl.enable(gl.BLEND);
if (this.additive == 1) gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
else gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
uTranslatef(.5, .5, 0);
uRotatef(this.rot, 0, 0, 1);
uScalef(this.aspectScale, 1.0, 1.0);
uTranslatef(-.5, -.5, 0);
uEnableClientState(U_VERTEX_ARRAY);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
uDisableClientState(U_COLOR_ARRAY);
gl.bindBuffer(gl.ARRAY_BUFFER, this.wavearraybuf);
gl.bufferData(gl.ARRAY_BUFFER, this.wavearray, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.wavearraybuf);
if (this.loop)
uDrawArrays(gl.LINE_LOOP,0,this.samples);
else
uDrawArrays(gl.LINE_STRIP,0,this.samples);
if (this.two_waves) {
gl.bindBuffer(gl.ARRAY_BUFFER, this.wavearray2buf);
gl.bufferData(gl.ARRAY_BUFFER, this.wavearray2, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.wavearray2buf);
if (this.loop)
uDrawArrays(gl.LINE_LOOP,0,this.samples);
else
uDrawArrays(gl.LINE_STRIP,0,this.samples);
}
uPopMatrix();
},
MaximizeColors: function (context) {
var wave_r_switch = 0;
var wave_g_switch = 0;
var wave_b_switch = 0;
if (this.mode == WaveMode.Blob2 || this.mode == WaveMode.Blob5)
switch (context.texsize) {
case 256: this.temp_a *= 0.07; break;
case 512: this.temp_a *= 0.09; break;
case 1024: this.temp_a *= 0.11; break;
case 2048: this.temp_a *= 0.13; break;
}
else if (this.mode == WaveMode.Blob3) {
switch(context.texsize) {
case 256: this.temp_a *= 0.075; break;
case 512: this.temp_a *= 0.15; break;
case 1024: this.temp_a *= 0.22; break;
case 2048: this.temp_a *= 0.33; break;
}
this.temp_a *= 1.3;
this.temp_a *= Math.pow(context.music.treb, 2.0);
}
if (this.maximizeColors) {
if (this.r >= this.g && this.r >= this.b) {
wave_b_switch = this.b / this.r;
wave_g_switch = this.g / this.r;
wave_r_switch = 1.0;
} else if (this.b >= this.g && this.b >= this.r) {
wave_r_switch = this.r / this.b;
wave_g_switch = this.g / this.b;
wave_b_switch = 1.0;
} else if (this.g >= this.b && this.g >= this.r) {
wave_b_switch = this.b / this.g;
wave_r_switch = this.r / this.g;
wave_g_switch = 1.0;
}
uColor4f(wave_r_switch, wave_g_switch, wave_b_switch, this.temp_a * this.masterAlpha);
} else {
uColor4f(this.r, this.g, this.b, this.temp_a * this.masterAlpha);
}
},
WaveformMath: function (context) {
var i,r,theta,temp_y,cos_rot,sin_rot;
var offset = this.x - 0.5;
var wave_x_temp = 0;
var wave_y_temp = 0;
this.two_waves = false;
this.loop = false;
if (this.mode == WaveMode.Circle) {
this.loop = true;
this.rot = 0;
this.aspectScale = 1.0;
temp_y = -1 * (this.y - 1.0);
this.samples = context.music.numsamples;
var inv_nverts_minus_one = 1.0 / this.samples;
var offset = (context.music.pcmdataR[0]+context.music.pcmdataL[0]) -
(context.music.pcmdataR[this.samples-1]+context.music.pcmdataL[this.samples-1]);
for (i = 0; i < this.samples; i++) {
var value = context.music.pcmdataR[i]+context.music.pcmdataL[i];
value += offset * i / this.samples;
r = (0.5 + 0.4 * .12 * value * this.scale + this.mystery) * .5;
theta = i * inv_nverts_minus_one * 6.28 + context.time * 0.2;
this.wavearray[i*2] = r * Math.cos(theta) * (context.aspectCorrect ? context.aspectRatio : 1.0) + this.x;
this.wavearray[i*2+1] = r * Math.sin(theta) + temp_y;
}
} else if (this.mode == WaveMode.RadialBlob) {
this.rot = 0;
this.aspectScale = context.aspectRatio;
temp_y = -1 * (this.y - 1.0);
this.samples = 512-32;
for (i = 0; i < 512-32; i++) {
theta = context.music.pcmdataL[i+32] * 0.06 * this.scale * 1.57 + context.time * 2.3;
r = (0.53 + 0.43 * context.music.pcmdataR[i] * 0.12 * this.scale + this.mystery) * .5;
this.wavearray[i*2] = r * Math.cos(theta) * (context.aspectCorrect ? context.aspectRatio : 1.0) + this.x;
this.wavearray[i*2+1] = r * Math.sin(theta) + temp_y;
}
} else if (this.mode == WaveMode.Blob2) {
temp_y = -1 * (this.y - 1.0);
this.rot = 0;
this.aspectScale = 1.0;
this.samples = 512-32;
for (i = 0; i < 512-32; i++) {
this.wavearray[i*2] = context.music.pcmdataR[i] * this.scale * 0.5 + this.x;
this.wavearray[i*2+1] = context.music.pcmdataL[i+32] * this.scale * 0.5 + temp_y;
}
} else if (this.mode == WaveMode.DerivativeLine) {
this.rot = -this.mystery * 90;
this.aspectScale = 1.0;
temp_y = -1 * (this.y - 1.0);
var w1 = 0.45 + 0.5 * (this.mystery * 0.5 + 0.5);
var w2 = 1.0 - w1;
var xx,xxm1,xxm2,yy,yym1,yym2;
this.samples = 512-32;
for (i = 0; i < 512-32; i++) {
xx = -1.0 + 2.0 * i / (512-32) + this.x;
yy = 0.4 * context.music.pcmdataL[i] * 0.47 * this.scale + temp_y;
xx += 0.4 * context.music.pcmdataR[i] * 0.44 * this.scale;
if (i > 1) {
xx = xx * w2 + w1 * (xxm1 * 2.0 - xxm2);
yy = yy * w2 + w1 * (yym1 * 2.0 - yym2);
}
this.wavearray[i*2] = xx;
this.wavearray[i*2+1] = yy;
xxm2 = xxm1;
yym2 = yym1;
xxm1 = xx;
yym1 = yy;
}
} else if (this.mode == WaveMode.Blob5) {
this.rot = 0;
this.aspectScale = 1.0;
temp_y = -1 * (this.y - 1.0);
cos_rot = Math.cos(context.time * 0.3);
sin_rot = Math.sin(context.time * 0.3);
this.samples = 512-32;
for (i = 0; i < 512-32; i++) {
var x0 = context.music.pcmdataR[i]*context.music.pcmdataL[i+32] + context.music.pcmdataL[i+32]*context.music.pcmdataR[i];
var y0 = context.music.pcmdataR[i]*context.music.pcmdataR[i] - context.music.pcmdataL[i+32]*context.music.pcmdataL[i+32];
this.wavearray[i*2]=(x0*cos_rot - y0*sin_rot)*this.scale*0.5*(context.aspectCorrect ? context.aspectRatio : 1.0) + this.x;
this.wavearray[i*2+1] = (x0*sin_rot + y0*cos_rot) * this.scale * 0.5 + temp_y;
}
} else if (this.mode == WaveMode.Line) {
wave_x_temp = -2 * 0.4142 * (Math.abs(Math.abs(this.mystery)-.5)-.5);
this.rot = -this.mystery * 90;
this.aspectScale = 1.0 + wave_x_temp;
wave_x_temp = -1 * (this.x - 1.0);
this.samples = context.music.numsamples;
for (i = 0; i < this.samples; i++) {
this.wavearray[i*2] = i / this.samples;
this.wavearray[i*2+1] = context.music.pcmdataR[i] * .04 * this.scale + wave_x_temp;
}
} else if (this.mode == WaveMode.DoubleLine) {
wave_x_temp = -2 * 0.4142 * (Math.abs(Math.abs(this.mystery)-.5)-.5);
this.rot = -this.mystery * 90;
this.aspectScale = 1.0 + wave_x_temp;
this.samples = context.music.numsamples;
this.two_waves = true;
var y_adj = this.y * this.y * .5;
wave_y_temp = -1 * (this.x - 1);
for (i = 0; i < this.samples; i++) {
this.wavearray[i*2] = i / this.samples;
this.wavearray[i*2+1] = context.music.pcmdataL[i] * .04 * this.scale + (wave_y_temp + y_adj);
}
for (i = 0; i < this.samples; i++) {
this.wavearray2[i*2] = i / this.samples;
this.wavearray2[i*2+1] = context.music.pcmdataR[i] * .04 * this.scale + (wave_y_temp - y_adj);
}
}
},
});
var CustomWaveform = RenderItem.extend({
init: function(literal, initialQs) {
this.r = 0;
this.g = 0;
this.b = 0;
this.a = 0;
this.spectrum = false;
this.dots = false;
this.thick = false;
this.additive = false;
this.samples = 512;
this.scaling = 1;
this.smoothing = 0;
this.sep = 0;
this.init_code = function(){};
this.per_frame_code = function(){};
this.per_point_code = function(){};
this.masterAlpha = 1.0;
for (var prop in literal)
if (prop.toLowerCase() == "bspectrum")
this.spectrum = new Boolean(literal[prop]);
else if (prop.toLowerCase() == "bdrawthick")
this.thick = new Boolean(literal[prop]);
else if (prop.toLowerCase() == "busedots")
this.dots = new Boolean(literal[prop]);
else if (prop.toLowerCase() == "badditive")
this.additive = new Boolean(literal[prop]);
else
this[prop] = literal[prop];
if (this.samples > 512)
this.samples = 512;
this.initialVals = new WaveFrameVariablePool();
this.initialVals.pushOutputs(this);
this.framePool = new WaveFrameVariablePool();
this.pointPool = new WavePointVariablePool();
this.varInit();
this.framePool.pushQs(initialQs);
this.init_code(this.framePool);
this.initialTs = new Float32Array(8);
this.framePool.popTs(this.initialTs);
this.waveDataL = new Float32Array(this.samples);
this.waveDataR = new Float32Array(this.samples);
this.r_mesh = new Float32Array(this.samples);
this.g_mesh = new Float32Array(this.samples);
this.b_mesh = new Float32Array(this.samples);
this.a_mesh = new Float32Array(this.samples);
this.x_mesh = new Float32Array(this.samples);
this.y_mesh = new Float32Array(this.samples);
this.colors = new Float32Array(this.samples*4);
this.p = new Float32Array(this.samples*2);
this.colorbuf = gl.createBuffer();
this.pbuf = gl.createBuffer();
},
varInit: function() {
var testPool = new WaveFrameVariablePool();
var winProps = {};
for (var prop in window)
winProps[prop] = null;
for (var i = 0; i < 30; i++)
try {
this.init_code(testPool);
this.per_frame_code(testPool);
break;
} catch (error) {
if (error.name == "ReferenceError") {
var customVar = error.message.split(" ")[0];
this.framePool[customVar] = 0;
testPool[customVar] = 0;
} else {
console.log(this.init_code);
console.log(this.per_frame_code);
throw error;
}
}
for (var prop in window)
if (!(prop in winProps)) {
this.framePool[prop] = 0;
delete window[prop];
}
},
runCode: function() {
this.framePool.pushTs(this.initialTs);
this.initialVals.popOutputs(this.framePool);
this.per_frame_code(this.framePool);
this.framePool.popOutputs(this);
},
runPerPoint: function() {
this.framePool.transferQs(this.pointPool);
this.framePool.transferTs(this.pointPool);
this.pointPool.pushInputs(this.framePool);
for (var i = 0; i < this.samples; i++) {
this.pointPool.sample = i/(this.samples - 1);
this.pointPool.value1 = this.waveDataL[i];
this.pointPool.value2 = this.waveDataR[i];
this.pointPool.r = this.r;
this.pointPool.g = this.g;
this.pointPool.b = this.b;
this.pointPool.a = this.a;
this.pointPool.x = this.x;
this.pointPool.y = this.y;
this.per_point_code(this.pointPool);
this.r_mesh[i] = this.pointPool.r;
this.g_mesh[i] = this.pointPool.g;
this.b_mesh[i] = this.pointPool.b;
this.a_mesh[i] = this.pointPool.a;
this.x_mesh[i] = this.pointPool.x;
this.y_mesh[i] = this.pointPool.y;
}
},
Draw: function(context) {
gl.enable(gl.BLEND);
if (this.additive) gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
else gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
if (this.thick) {
gl.lineWidth(context.texsize <= 512 ? 2 : 2*context.texsize/512);
uPointSize(context.texsize <= 512 ? 2 : 2*context.texsize/512);
}
else uPointSize(context.texsize <= 512 ? 1 : context.texsize/512);
context.music.getPCM(this.waveDataL, this.samples, 0, this.spectrum, this.smoothing);
context.music.getPCM(this.waveDataR, this.samples, 1, this.spectrum, this.smoothing);
var mult = this.scaling * (this.spectrum ? 0.015 : 1.0);
for (var i = 0; i < this.samples; i++) {
this.waveDataL[i] *= mult;
this.waveDataR[i] *= mult;
}
this.runPerPoint();
for (var i = 0; i < this.samples; i++) {
this.colors[i*4] = this.r_mesh[i];
this.colors[i*4+1] = this.g_mesh[i];
this.colors[i*4+2] = this.b_mesh[i];
this.colors[i*4+3] = this.a_mesh[i] * this.masterAlpha;
this.p[i*2] = this.x_mesh[i];
this.p[i*2+1] = -(this.y_mesh[i]-1);
}
uEnableClientState(U_VERTEX_ARRAY);
uEnableClientState(U_COLOR_ARRAY);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.p, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pbuf);
gl.bindBuffer(gl.ARRAY_BUFFER, this.colorbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.colors, gl.STATIC_DRAW);
uColorPointer(4,gl.FLOAT,0,this.colorbuf);
if (this.dots) uDrawArrays(gl.POINTS,0,this.samples);
else uDrawArrays(gl.LINE_STRIP,0,this.samples);
uPointSize(context.texsize < 512 ? 1 : context.texsize/512);
gl.lineWidth(context.texsize < 512 ? 1 : context.texsize/512);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
}
});
var DarkenCenter = RenderItem.extend({
init: function(literal) {
this._super(literal);
this.colors = new Float32Array([0,0,0,3./32 * this.masterAlpha,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]);
this.points = new Float32Array([0.5,0.5,0.45,0.5,0.5,0.45,0.55,0.5,0.5,0.55,0.45,0.5]);
this.colorbuf = gl.createBuffer();
this.pointsbuf = gl.createBuffer();
},
Draw: function(context) {
gl.enable(gl.BLEND);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
this.colors[3] = 3/32 * this.masterAlpha;
gl.bindBuffer(gl.ARRAY_BUFFER, this.colorbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.colors, gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);
uEnableClientState(U_VERTEX_ARRAY);
uEnableClientState(U_COLOR_ARRAY);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
uVertexPointer(2,gl.FLOAT,0,this.pointsbuf);
uColorPointer(4,gl.FLOAT,0,this.colorbuf);
uDrawArrays(gl.TRIANGLE_FAN,0,6);
}
});
var Shape = RenderItem.extend({
init: function(literal, initialQs) {
this.sides = 4;
this.thickOutline = false;
this.enabled = true;
this.additive = false;
this.textured = false;
this.tex_zoom = 1.0;
this.tex_ang = 0.0;
this.x = 0.5;
this.y = 0.5;
this.rad = 1.0;
this.ang = 0.0;
this.r = 0.0;
this.g = 0.0;
this.b = 0.0;
this.a = 0.0;
this.r2 = 0.0;
this.g2 = 0.0;
this.b2 = 0.0;
this.a2 = 0.0;
this.border_r = 0.0;
this.border_g = 0.0;
this.border_b = 0.0;
this.border_a = 0.0;
this.ImageUrl = "";
this.init_code = function(){};
this.per_frame_code = function(){};
this._super(literal);
this.initialVals = new ShapeFrameVariablePool();
this.initialVals.pushOutputs(this);
this.framePool = new ShapeFrameVariablePool();
this.varInit();
this.framePool.pushQs(initialQs);
this.init_code(this.framePool);
this.initialTs = new Float32Array(8);
this.framePool.popTs(this.initialTs);
this.colors = new Float32Array((this.sides+2)*4);
this.texcoords = new Float32Array((this.sides+2)*2);
this.points = new Float32Array((this.sides+2)*2);
this.points2 = new Float32Array((this.sides+1)*2);
this.colorbuf = gl.createBuffer();
this.texbuf = gl.createBuffer();
this.pointsbuf = gl.createBuffer();
this.points2buf = gl.createBuffer();
},
varInit: function() {
var testPool = new ShapeFrameVariablePool();
for (var i = 0; i < 30; i++)
try {
this.init_code(testPool);
this.per_frame_code(testPool);
break;
} catch (error) {
if (error.name == "ReferenceError") {
var customVar;
if (error.message.indexOf("Can't find variable:") == 0)
customVar = error.message.split(" ").pop();
else
customVar = error.message.split(" ")[0];
this.framePool[customVar] = 0;
testPool[customVar] = 0;
} else
throw error;
}
},
runCode: function() {
this.framePool.pushTs(this.initialTs);
this.initialVals.popOutputs(this.framePool);
this.per_frame_code(this.framePool);
this.framePool.popOutputs(this);
},
Draw: function(context) {
var xval,yval,t;
var temp_radius = this.rad*(.707*.707*.707*1.04);
gl.enable(gl.BLEND);
if (this.additive == 0)
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
else
gl.blendFunc(gl.SRC_ALPHA, gl.ONE);
xval = this.x;
yval = -(this.y-1);
if (this.textured) {
if (this.ImageUrl != "") {
var tex = textures[this.ImageUrl];
gl.bindTexture(gl.TEXTURE_2D, tex);
context.aspectRatio = 1.0;
}
uMatrixMode(U_TEXTURE);
uPushMatrix();
uLoadIdentity();
uEnableClientState(U_VERTEX_ARRAY);
uEnableClientState(U_COLOR_ARRAY);
uEnableClientState(U_TEXTURE_COORD_ARRAY);
uVertexPointer(2,gl.FLOAT,0,this.pointsbuf);
uColorPointer(4,gl.FLOAT,0,this.colorbuf);
uTexCoordPointer(2,gl.FLOAT,0,this.texbuf);
this.colors[0] = this.r;
this.colors[1] = this.g;
this.colors[2] = this.b;
this.colors[3] = this.a * this.masterAlpha;
this.texcoords[0] = 0.5;
this.texcoords[1] = 0.5;
this.points[0] = xval;
this.points[1] = yval;
for (var i = 1; i < this.sides+2; i++) {
this.colors[i*4] = this.r2;
this.colors[i*4+1] = this.g2;
this.colors[i*4+2] = this.b2;
this.colors[i*4+3] = this.a2 * this.masterAlpha;
t = (i-1)/this.sides;
this.texcoords[i*2] = 0.5 + 0.5*Math.cos(t*3.1415927*2 + this.tex_ang + 3.1415927*0.25)*(context.aspectCorrect ? context.aspectRatio : 1.0) / this.tex_zoom;
this.texcoords[i*2+1] = 0.5 + 0.5*Math.sin(t*3.1415927*2 + this.tex_ang + 3.1415927*0.25) / this.tex_zoom;
this.points[i*2] = temp_radius*Math.cos(t*3.1415927*2 + this.ang + 3.1415927*0.25)*(context.aspectCorrect ? context.aspectRatio : 1.0)+xval;
this.points[i*2+1] = temp_radius*Math.sin(t*3.1415927*2 + this.ang + 3.1415927*0.25)+yval;
}
gl.bindBuffer(gl.ARRAY_BUFFER, this.colorbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.colors, gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, this.texbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.texcoords, gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);
uDrawArrays(gl.TRIANGLE_FAN,0,this.sides+2);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
uPopMatrix();
uMatrixMode(U_MODELVIEW);
} else {
uEnableClientState(U_VERTEX_ARRAY);
uEnableClientState(U_COLOR_ARRAY);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
uVertexPointer(2,gl.FLOAT,0,this.pointsbuf);
uColorPointer(4,gl.FLOAT,0,this.colorbuf);
this.colors[0]=this.r;
this.colors[1]=this.g;
this.colors[2]=this.b;
this.colors[3]=this.a * this.masterAlpha;
this.points[0]=xval;
this.points[1]=yval;
for (var i = 1; i < this.sides+2; i++) {
this.colors[i*4] = this.r2;
this.colors[i*4+1] = this.g2;
this.colors[i*4+2] = this.b2;
this.colors[i*4+3] = this.a2 * this.masterAlpha;
t = (i-1)/this.sides;
this.points[i*2]=temp_radius*Math.cos(t*3.1415927*2 + this.ang + 3.1415927*0.25)*(context.aspectCorrect ? context.aspectRatio : 1.0)+xval;
this.points[i*2+1]=temp_radius*Math.sin(t*3.1415927*2 + this.ang + 3.1415927*0.25)+yval;
}
gl.bindBuffer(gl.ARRAY_BUFFER, this.colorbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.colors, gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);
uDrawArrays(gl.TRIANGLE_FAN,0,this.sides+2);
}
if (this.thickOutline)
gl.lineWidth(context.texsize < 512 ? 1 : 2*context.texsize/512);
uEnableClientState(U_VERTEX_ARRAY);
uDisableClientState(U_COLOR_ARRAY);
uVertexPointer(2,gl.FLOAT,0,this.points2buf);
uColor4f(this.border_r, this.border_g, this.border_b, this.border_a * this.masterAlpha);
for (var i = 0; i < this.sides; i++) {
t = (i-1)/this.sides;
this.points2[i*2]= temp_radius*Math.cos(t*3.1415927*2 + this.ang + 3.1415927*0.25)*(context.aspectCorrect ? context.aspectRatio : 1.0)+xval;
this.points2[i*2+1]= temp_radius*Math.sin(t*3.1415927*2 + this.ang + 3.1415927*0.25)+yval;
}
gl.bindBuffer(gl.ARRAY_BUFFER, this.points2buf);
gl.bufferData(gl.ARRAY_BUFFER, this.points2, gl.STATIC_DRAW);
uDrawArrays(gl.LINE_LOOP,0,this.sides);
if (this.thickOutline)
gl.lineWidth(context.texsize < 512 ? 1 : context.texsize/512);
}
});
var MotionVectors = RenderItem.extend({
init: function(literal) {
this.r = 0.0;
this.g = 0.0;
this.b = 0.0;
this.a = 0.0;
this.length = 0.0;
this.x_num = 0.0;
this.y_num = 0.0;
this.x_offset = 0.0;
this.y_offset = 0.0;
this._super(literal);
this.points = new Float32Array(Math.floor(this.x_num * this.y_num)*2);
this.pointsbuf = gl.createBuffer();
},
Draw: function() {
uEnableClientState(U_VERTEX_ARRAY);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
uDisableClientState(U_COLOR_ARRAY);
var intervalx = 1.0 / this.x_num;
var intervaly = 1.0 / this.y_num;
gl.enable(gl.BLEND);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
uPointSize(this.length);
uColor4f(this.r, this.g, this.b, this.a * this.masterAlpha);
if (this.x_num + this.y_num < 600) {
var size = Math.floor(this.x_num * this.y_num);
if (size > 0) {
if (this.points.length < (size*2))
this.points = new Float32Array(size*2);
for (var x = 0; x < Math.floor(this.x_num); x++)
for (var y = 0; y < Math.floor(this.y_num); y++) {
var lx, ly;
lx = this.x_offset + x * intervalx;
ly = this.y_offset + y * intervaly;
this.points[(x * Math.floor(this.y_num)) + y][0] = lx;
this.points[(x * Math.floor(this.y_num)) + y][1] = ly;
}
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsbuf);
uDrawArrays(gl.POINTS,0,size);
}
}
}
});
var Border = RenderItem.extend({
init: function(literal) {
this.outer_size = 0;
this.outer_r = 0;
this.outer_g = 0;
this.outer_b = 0;
this.outer_a = 0;
this.inner_size = 0;
this.inner_r = 0;
this.inner_g = 0;
this.inner_b = 0;
this.inner_a = 0;
this._super(literal);
this.pointsA = new Float32Array([0,0,0,1,0,0,0,1]);
this.pointsB = new Float32Array([0,0,0,0,1,0,1,0]);
this.pointsC = new Float32Array([1,0,1,1,1,0,1,1]);
this.pointsD = new Float32Array([0,1,0,1,1,1,1,1]);
this.pointsE = new Float32Array([0,0,0,1,0,0,0,1]);
this.pointsF = new Float32Array([0,0,0,0,1,0,1,0]);
this.pointsG = new Float32Array([1,0,1,0,1,0,1,1]);
this.pointsH = new Float32Array([0,1,0,1,1,1,1,1]);
this.pointsAbuf = gl.createBuffer();
this.pointsBbuf = gl.createBuffer();
this.pointsCbuf = gl.createBuffer();
this.pointsDbuf = gl.createBuffer();
this.pointsEbuf = gl.createBuffer();
this.pointsFbuf = gl.createBuffer();
this.pointsGbuf = gl.createBuffer();
this.pointsHbuf = gl.createBuffer();
},
Draw: function() {
uEnableClientState(U_VERTEX_ARRAY);
uDisableClientState(U_COLOR_ARRAY);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
var of = this.outer_size*.5;
var iff = this.inner_size*.5;
var texof = 1.0 - of;
gl.enable(gl.BLEND);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
uColor4f(this.outer_r, this.outer_g, this.outer_b, this.outer_a * this.masterAlpha);
this.pointsA[4] = this.pointsA[6] = of;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsAbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsA, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsAbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
this.pointsB[0] = this.pointsB[2] = this.pointsB[3] = this.pointsB[7] = of;
this.pointsB[4] = this.pointsB[6] = texof;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsBbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsB, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsBbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
this.pointsC[0] = this.pointsC[2] = texof;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsCbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsC, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsCbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
this.pointsD[0] = this.pointsD[2] = of;
this.pointsD[3] = this.pointsD[4] = this.pointsD[6] = this.pointsD[7] = texof;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsDbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsD, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsDbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
uColor4f(this.inner_r, this.inner_g, this.inner_b, this.inner_a * this.masterAlpha);
this.pointsE[0] = this.pointsE[1] = this.pointsE[2] = this.pointsE[5] = of;
this.pointsE[3] = this.pointsE[7] = texof;
this.pointsE[4] = this.pointsE[6] = of+iff;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsEbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsE, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsEbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
this.pointsF[1] = this.pointsF[5] = of;
this.pointsF[0] = this.pointsF[2] = this.pointsF[3] = this.pointsF[7] = of+iff;
this.pointsF[4] = this.pointsF[6] = texof-iff;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsFbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsF, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsFbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
this.pointsG[1] = this.pointsG[5] = of;
this.pointsG[3] = this.pointsG[4] = this.pointsG[6] = this.pointsG[7] = texof;
this.pointsG[0] = this.pointsG[2] = texof-iff;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsGbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsG, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsGbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
this.pointsH[1] = this.pointsH[5] = texof;
this.pointsH[0] = this.pointsH[2] = of+iff;
this.pointsH[3] = this.pointsH[4] = this.pointsH[6] = this.pointsH[7] = texof-iff;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsHbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsH, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsHbuf);
uDrawArrays(gl.TRIANGLE_STRIP,0,4);
}
});
var Orientation = {
Normal: 0,
FlipX: 1,
FlipY: 2,
FlipXY: 3
}
var VideoEcho = RenderItem.extend({
init: function(literal) {
this.a = 0;
this.zoom = 0;
this.orientation = Orientation.Normal;
this._super();
this.tex = new Float32Array([0,1,0,0,1,0,1,1]);
this.points = new Float32Array([-.5,-.5,-.5,.5,.5,.5,.5,-.5]);
this.pointsFlip = new Float32Array(8);
this.texbuf = gl.createBuffer();
this.pointsbuf = gl.createBuffer();
this.pointsFlipbuf = gl.createBuffer();
},
Draw: function(context) {
uEnableClientState(U_VERTEX_ARRAY);
uDisableClientState(U_COLOR_ARRAY);
uEnableClientState(U_TEXTURE_COORD_ARRAY);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsbuf);
gl.bindBuffer(gl.ARRAY_BUFFER, this.texbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.tex, gl.STATIC_DRAW);
uTexCoordPointer(2,gl.FLOAT,0,this.tex);
gl.enable(gl.BLEND);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
uMatrixMode(U_TEXTURE);
uColor4f(1.0, 1.0, 1.0, this.a * this.masterAlpha);
uTranslatef(.5, .5, 0);
uScalef(1.0/this.zoom, 1.0/this.zoom, 1);
uTranslatef(-.5, -.5, 0);
var flipx=1, flipy=1;
switch (this.orientation) {
case Orientation.Normal: flipx = 1; flipy = 1; break;
case Orientation.FlipX: flipx = -1; flipy = 1; break;
case Orientation.FlipY: flipx = 1; flipy = -1; break;
case Orientation.FlipXY: flipx = -1; flipy = -1; break;
default: flipx = 1; flipy = 1; break;
}
this.pointsFlip[0] = this.pointsFlip[2] = -.5 * flipx;
this.pointsFlip[1] = this.pointsFlip[7] = -.5 * flipy;
this.pointsFlip[3] = this.pointsFlip[5] = .5 * flipy;
this.pointsFlip[4] = this.pointsFlip[6] = .5 * flipx;
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsFlipbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.pointsFlip, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsFlipbuf);
uDrawArrays(gl.TRIANGLE_FAN,0,4);
uDisableClientState(U_TEXTURE_COORD_ARRAY);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
}
});
var Filter = RenderItem.extend({
init: function(literal) {
this._super(literal);
this.points = new Float32Array([-.5,-.5,-.5,.5,.5,.5,.5,-.5]);
this.pointsbuf = gl.createBuffer();
}
});
var Brighten = Filter.extend({
Draw: function(context) {
uEnableClientState(U_VERTEX_ARRAY);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);
uVertexPointer(2,gl.FLOAT,0,this.pointsbuf);
uColor4f(1.0, 1.0, 1.0, 1.0);
gl.enable(gl.BLEND);
gl.blendFunc(gl.ONE_MINUS_DST_COLOR, gl.ZERO);
uDrawArrays(gl.TRIANGLE_FAN,0,4);
gl.blendFunc(gl.ZERO, gl.DST_COLOR);
uDrawArrays(gl.TRIANGLE_FAN,0,4);
gl.blendFunc(gl.ONE_MINUS_DST_COLOR, gl.ZERO);
uDrawArrays(gl.TRIANGLE_FAN,0,4);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
uDisableClientState(U_VERTEX_ARRAY);
}
});
var Darken = Filter.extend({
Draw: function(context) {
uEnableClientState(U_VERTEX_ARRAY);
gl.bindBuffer(gl.ARRAY_BUFFER, this.pointsbuf);
gl.bufferData(gl.ARRAY_BUFFER, this.points, gl.STATIC_DRAW);