mirror_js/WebGL-Fluid-Simulation
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experiment

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Pavel Dobryakov
2017-08-26 12:51:50 +03:00
parent 1f277bb778
commit 5a5724916e
1 changed files with 8 additions and 5 deletions
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13
script.js
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@@ -1,9 +1,9 @@
'use strict';
const canvas = document.getElementsByTagName('canvas')[0];
const params = { alpha: false, preserveDrawingBuffer: false, depth: false, stencil: false, antialias: false };
const params = { alpha: false, depth: false, stencil: false, antialias: false };
let gl = canvas.getContext('webgl2');
let gl = canvas.getContext('webgl2', params);
const isWebGL2 = !!gl;
if (!isWebGL2) {
gl = canvas.getContext('webgl', params) || canvas.getContext('experimental-webgl', params);
@@ -11,11 +11,14 @@ if (!isWebGL2) {
gl.clearColor(0.0, 0.0, 0.0, 1.0);
const halfFloat = gl.getExtension('OES_texture_half_float');
const support_linear_float = gl.getExtension('OES_texture_half_float_linear');
let support_linear_float = gl.getExtension('OES_texture_half_float_linear');
if (isWebGL2) {
gl.getExtension('EXT_color_buffer_float');
support_linear_float = gl.getExtension('OES_texture_float_linear');
}
gl.clearColor(0.0, 0.0, 0.0, 1.0);
resizeCanvas();
const TEXTURE_DOWNSAMPLE = 1;
@@ -373,7 +376,7 @@ let pressure = createDoubleFBO(6, TEXTURE_WIDTH, TEXTURE_HEIGHT, internalForma
const displayProgram = new GLProgram(baseVertexShader, displayShader);
const splatProgram = new GLProgram(baseVertexShader, splatShader);
const advectionProgram = new GLProgram(baseVertexShader, support_linear_float ? advectionShader : advectionManualFilteringShader);
const advectionProgram = new GLProgram(baseVertexShader, advectionManualFilteringShader);
const divergenceProgram = new GLProgram(baseVertexShader, divergenceShader);
const curlProgram = new GLProgram(baseVertexShader, curlShader);
const vorticityProgram = new GLProgram(baseVertexShader, vorticityShader);
@@ -543,4 +546,4 @@ function onPointerUp () {
for (let i = 0; i < pointers.length; i++) {
pointers[i].down = false;
}
}
}