mirror_js/WebGL-Fluid-Simulation
1
0
Fork 0
mirror of https://github.com/PavelDoGreat/WebGL-Fluid-Simulation.git synced 2025-10-03 17:31:53 +02:00
Code Issues Releases Wiki Activity

continue fixing multitouch

Browse Source
This commit is contained in:
Pavel Dobryakov
2017-08-26 14:31:28 +03:00
parent fe49079f05
commit 63b5d9df7d
1 changed files with 10 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
script.js
View File

@@ -1,7 +1,5 @@
'use strict';
window.scrollTo(0, 1);
const canvas = document.getElementsByTagName('canvas')[0];
const params = { alpha: false, depth: false, stencil: false, antialias: false };
@@ -490,7 +488,7 @@ function Update () {
function splat (x, y, dx, dy, color) {
splatProgram.bind();
gl.uniform1i(splatProgram.uniforms.uTarget, velocity.first[2]);
gl.uniform1f(splatProgram.uniforms.aspectRatio, TEXTURE_WIDTH / TEXTURE_HEIGHT);
gl.uniform1f(splatProgram.uniforms.aspectRatio, canvas.width / canvas.height);
gl.uniform2f(splatProgram.uniforms.point, x / canvas.width, 1.0 - y / canvas.height);
gl.uniform3f(splatProgram.uniforms.color, dx, -dy, 1.0);
gl.uniform1f(splatProgram.uniforms.radius, SPLAT_RADIUS);
@@ -523,9 +521,6 @@ canvas.addEventListener('touchmove', (e) => {
e.preventDefault();
const touches = e.targetTouches;
for (let i = 0; i < e.touches.length; i++) {
if (i >= pointers.length) {
pointers.push(new pointerPrototype());
}
let pointer = pointers[i];
pointer.moved = pointer.down;
pointer.dx = (touches[i].pageX - pointer.x) * 10.0;
@@ -536,13 +531,19 @@ canvas.addEventListener('touchmove', (e) => {
}, false);
canvas.addEventListener('mousedown', () => {
pointers[0].dowm = true;
pointers[0].down = true;
pointers[0].color = [Math.random() + 0.2, Math.random() + 0.2, Math.random() + 0.2];
});
canvas.addEventListener('touchstart', () => {
for (let i = 0; i < pointers.length; i++) {
canvas.addEventListener('touchstart', (e) => {
const touches = e.targetTouches;
for (let i = 0; i < touches.length; i++) {
if (i >= pointers.length) {
pointers.push(new pointerPrototype());
}
pointers[i].down = true;
pointers[i].x = touches[i].pageX;
pointers[i].y = touches[i].pageY;
pointers[i].color = [Math.random() + 0.2, Math.random() + 0.2, Math.random() + 0.2];
}
});