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authorNivesh Rajbhandari2012-04-16 16:06:24 -0700
committerNivesh Rajbhandari2012-04-16 16:06:24 -0700
commitc253192a08b499ea7be46fa5438d273e51f7ec5a (patch)
tree18a1f0e3679c0eb993a9dedb537035d3861f49ac /js/helper-classes/RDGE/src/core/script/particle.js
parente19376c54eedd1f1c457ba405b2f110be376a559 (diff)
parent4b900ea5cd6bb77eb30cec8c03b9ec9fa662c1e9 (diff)
downloadninja-c253192a08b499ea7be46fa5438d273e51f7ec5a.tar.gz
Merge branch 'refs/heads/ninja-internal' into WebGLFixes
Diffstat (limited to 'js/helper-classes/RDGE/src/core/script/particle.js')
-rwxr-xr-xjs/helper-classes/RDGE/src/core/script/particle.js1591
1 files changed, 761 insertions, 830 deletions
diff --git a/js/helper-classes/RDGE/src/core/script/particle.js b/js/helper-classes/RDGE/src/core/script/particle.js
index dd83433e..3968786d 100755
--- a/js/helper-classes/RDGE/src/core/script/particle.js
+++ b/js/helper-classes/RDGE/src/core/script/particle.js
@@ -4,839 +4,770 @@ No rights, expressed or implied, whatsoever to this software are provided by Mot
4(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved. 4(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
5</copyright> */ 5</copyright> */
6 6
7particleStats = function() { 7var RDGE = RDGE || {};
8 this.numParticles = new stat("particles", "numParticles", 0); 8
9 this.numDrawCalls = new stat("particles", "numDrawCalls", 0); 9RDGE.particle = function (def, id) {
10 this.numVerts = new stat("particles", "numVerts", 0); 10 this.id = id;
11 this.numTris = new stat("particles", "numTris", 0); 11 this.def = def;
12 12 if (this.def.numFrames == undefined) {
13 this.report = function(psys) { 13 if (this.def.textureSize && this.def.frameSize) {
14 for (em in psys.emitters) { 14 this.def.numFrames = (this.def.textureSize[0] / this.def.frameSize[0]) * (this.def.textureSize[1] / this.def.frameSize[1]);
15 var pbuffer = psys.emitters[em].pbuffer; 15 } else {
16 var idxBuffer = pbuffer.indexBuffer.front(); 16 this.def.numFrames = 0;
17 var posBuffer = pbuffer.posBuffer.front(); 17 }
18 this.numParticles.value += idxBuffer.numIndices / 6; 18 }
19 this.numTris.value += idxBuffer.numIndices / 3; 19
20 this.numVerts.value += this.numParticles.value * 4; 20 this.pos = RDGE.vec3.zero();
21 if(this.numParticles.value > 0) { 21 this.delta = RDGE.vec3.zero();
22 this.numDrawCalls.value++; 22 this.rotate = 0.0;
23 } 23 this.age = 0.0;
24 } 24 this.lifespan = 0.0;
25 } 25 this.velocity = RDGE.vec3.zero();
26}; 26 this.gravity = RDGE.vec3.zero();
27 27 this.frame = 0;
28g_particleStats = null; 28 this.frameCount = 0;
29//if( g_enableBenchmarks ) { 29 this.lastPos = RDGE.vec3.zero();
30// g_particleStats = new particleStats; 30 this.state = 0;
31//} 31 this.hide = false;
32 32 this.color = RDGE.vec4.zero();
33particle = function(def, id) { 33
34 this.id = id; 34 this.randomize = function (min, max) {
35 this.def = def; 35 return min + (max - min) * Math.random();
36 if( this.def.numFrames == undefined ) { 36 };
37 if( this.def.textureSize && this.def.frameSize ) { 37 this.rate = this.randomize(-1.0, 1.0);
38 this.def.numFrames = ( this.def.textureSize[0] / this.def.frameSize[0] ) * ( this.def.textureSize[1] / this.def.frameSize[1] ); 38
39 } else { 39 this.randomize3 = function (min, max) {
40 this.def.numFrames = 0; 40 return [this.randomize(min[0], max[0]),
41 }
42 }
43
44 this.pos = vec3.zero();
45 this.delta = vec3.zero();
46 this.rotate = 0.0;
47 this.age = 0.0;
48 this.lifespan = 0.0;
49 this.velocity = vec3.zero();
50 this.gravity = vec3.zero();
51 this.frame = 0;
52 this.frameCount = 0;
53 this.lastPos = vec3.zero();
54 this.state = 0;
55 this.hide = false;
56 this.color = vec4.zero();
57
58 this.randomize = function(min, max) {
59 return min + (max - min) * Math.random();
60 }
61 this.rate = this.randomize( -1.0, 1.0 );
62
63 this.randomize3 = function(min, max) {
64 return [this.randomize(min[0], max[0]),
65 this.randomize(min[1], max[1]), 41 this.randomize(min[1], max[1]),
66 this.randomize(min[2], max[2])]; 42 this.randomize(min[2], max[2])];
67 } 43 };
68 44
69 this.spawn = function(spawnMatrix) { 45 this.spawn = function (spawnMatrix) {
70 if( this.def.initialframe == undefined ) { 46 if (this.def.initialframe == undefined) {
71 this.frame = this.id % this.def.numFrames; 47 this.frame = this.id % this.def.numFrames;
72 } else { 48 } else {
73 this.frame = this.randomize( this.def.initialframe[0], this.def.initialframe[1] ); 49 this.frame = this.randomize(this.def.initialframe[0], this.def.initialframe[1]);
74 } 50 }
75 this.pos = this.randomize3(this.def.initialpos[0], this.def.initialpos[1]); 51 this.pos = this.randomize3(this.def.initialpos[0], this.def.initialpos[1]);
76 if (this.def.worldSpace) { 52 if (this.def.worldSpace) {
77 // calculate the initial position in world space. 53 // calculate the initial position in world space.
78 this.pos = mat4.transformPoint( spawnMatrix, this.pos ); 54 this.pos = RDGE.mat4.transformPoint(spawnMatrix, this.pos);
79 } 55 }
80 // all other values are assumed to be defined in local or world space depending on 56 // all other values are assumed to be defined in local or world space depending on
81 // the particles worldSpace designation. 57 // the particles worldSpace designation.
82 var toRadians = Math.PI/180.0; 58 var toRadians = Math.PI / 180.0;
83 if( this.def.initialsize ) { 59 if (this.def.initialsize) {
84 this.size = this.randomize(this.def.initialsize[0], this.def.initialsize[1]); 60 this.size = this.randomize(this.def.initialsize[0], this.def.initialsize[1]);
85 } else { 61 } else {
86 this.size = 1.0; 62 this.size = 1.0;
87 } 63 }
88 this.velocity = this.randomize3(this.def.initialvel[0], this.def.initialvel[1]); 64 this.velocity = this.randomize3(this.def.initialvel[0], this.def.initialvel[1]);
89 this.gravity = [this.def.gravity[0], this.def.gravity[1], this.def.gravity[2]]; 65 this.gravity = [this.def.gravity[0], this.def.gravity[1], this.def.gravity[2]];
90 this.rotate = this.randomize(this.def.initialrot[0] * toRadians, this.def.initialrot[1] * toRadians); 66 this.rotate = this.randomize(this.def.initialrot[0] * toRadians, this.def.initialrot[1] * toRadians);
91 this.lifespan = this.randomize(this.def.lifespan[0], this.def.lifespan[1]); 67 this.lifespan = this.randomize(this.def.lifespan[0], this.def.lifespan[1]);
92 this.age = 0.0; 68 this.age = 0.0;
93 this.delta = [0.0, 0.0, 0.0]; 69 this.delta = [0.0, 0.0, 0.0];
94 this.lastPos = vec3.add(this.pos, vec3.scale(this.velocity, -1.0 / 30.0)); 70 this.lastPos = RDGE.vec3.add(this.pos, RDGE.vec3.scale(this.velocity, -1.0 / 30.0));
95 this.color = [1,1,1,1];//vec4.random( [0.0, 0.0, 0.0, 1.0], [1.0, 1.0, 1.0, 1.0] ); 71 this.color = [1, 1, 1, 1]; //RDGE.vec4.random( [0.0, 0.0, 0.0, 1.0], [1.0, 1.0, 1.0, 1.0] );
96 } 72 };
97} 73};
98 74
99// double buffered array utility class 75// double buffered array utility class
100DoubleBuffer = function(arrType, size) { 76RDGE.DoubleBuffer = function (arrType, size) {
101 this.buffer = {}; 77 this.buffer = {};
102 this.buffer[0] = new arrType(size); 78 this.buffer[0] = new arrType(size);
103 this.buffer[1] = new arrType(size); 79 this.buffer[1] = new arrType(size);
104 this.bufferIndex = 0; 80 this.bufferIndex = 0;
105 81
106 this.flip = function() { 82 this.flip = function () {
107 this.bufferIndex = 1 - this.bufferIndex; 83 this.bufferIndex = 1 - this.bufferIndex;
108 } 84 }
109 this.front = function() { 85 this.front = function () {
110 return this.buffer[this.bufferIndex]; 86 return this.buffer[this.bufferIndex];
111 } 87 }
112 this.back = function() { 88 this.back = function () {
113 return this.buffer[1 - this.bufferIndex]; 89 return this.buffer[1 - this.bufferIndex];
114 } 90 }
115} 91};
116 92
117 93
118// cycling buffer 94// cycling buffer
119particleBuffer = function(pdef, emitter, size) 95RDGE.particleBuffer = function (pdef, emitter, size) {
120{ 96 var renderer = RDGE.globals.engine.getContext().renderer;
121 var renderer = g_Engine.getContext().renderer; 97 var ctx = renderer.ctx;
122 var ctx = renderer.ctx; 98
123 99 s_particleShader = new RDGE.jshader();
124 s_particleShader = new jshader(); 100 s_particleShader.def = {
125 s_particleShader.def = { 101 'shaders': {
126 'shaders': { 102 'defaultVShader': "assets/shaders/particle_vshader.glsl",
127 'defaultVShader': "assets/shaders/particle_vshader.glsl", 103 'defaultFShader': "assets/shaders/particle_fshader.glsl"
128 'defaultFShader': "assets/shaders/particle_fshader.glsl" 104 },
129 }, 105 'techniques': {
130 'techniques': { 106 'defaultTechnique': [{
131 'defaultTechnique': [{ 107 'vshader': 'defaultVShader',
132 'vshader' : 'defaultVShader', 108 'fshader': 'defaultFShader',
133 'fshader' : 'defaultFShader', 109 'attributes': {
134 'attributes' : { 110 'a_pos': { 'type': 'vec4' },
135 'a_pos' : { 'type' : 'vec4' }, 111 'a_posId': { 'type': 'float' },
136 'a_posId' : { 'type' : 'float' }, 112 'a_rotation': { 'type': 'float' },