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particle test

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This commit is contained in:
biglyderv 2025-03-05 01:00:00 -05:00
parent 6be7f85b93
commit 659274b087
Signed by: biglyderv
GPG key ID: 0E2EB0B4CD7397B5
4 changed files with 54 additions and 21 deletions
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14
docs/js/index.js
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@ -1,5 +1,6 @@
'use strict';
var ratio = 1, width = 1, height = 1;
var canvas, gl, positionAttributeLocation, positionBuffer, matBuffer, vpBuffer, sizeBuffer, distBuffer, fgBuffer;
function createShader(gl, type, source) {
@ -67,12 +68,15 @@ function main() {
function renderThing() {
twgl.resizeCanvasToDisplaySize(gl.canvas);
width = gl.canvas.width;
height = gl.canvas.height;
gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
gl.clearColor(0, 0, 0, 0);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
var ratio = gl.canvas.width / gl.canvas.height;
ratio = gl.canvas.width / gl.canvas.height;
var ratioA = Math.max(ratio, 1);
var ratioB = ratioA / ratio;
@ -109,7 +113,7 @@ function renderThing() {
gl.uniformMatrix4fv(matBuffer, false, new Float32Array(MDN.perspectiveMatrix(Math.PI * 100 / 180, ratio, 0.01, 1000)));
hud.textContent = `${Math.floor(nothingness * 100) / 100} nothings; ${Math.floor(nGain * 60 * 100) / 100} nil/sec`
hud.textContent = `${Math.floor(nothingness * 100) / 100} nothings; ${Math.floor((nGain + getBonus) * 60 * 100) / 100} nil/sec`
gl.uniform1f(sizeBuffer, -Math.log(nothingness));
gl.uniform1f(distBuffer, 0.1 + 3 * nGain / (nGain + nothingness));
@ -120,11 +124,13 @@ function renderThing() {
var count = 6;
gl.drawArrays(primitiveType, offset, count);
positions = MDN.createCubeData(10,10,10);
let sizes = 1000 / (cubePos.length+30);
positions = MDN.createCubeData(sizes, sizes, sizes);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
for (let cubie of cubePos) {
let vp = MDN.rotateYMatrix(Math.log(nothingness+1) * cubie[2] / 10);
let vp = MDN.rotateYMatrix(Math.log(nothingness + 1) * cubie[2] / 10);
vp = MDN.multiplyMatrices(MDN.translateMatrix(cubie[0], cubie[1], cubie[2]), vp)
gl.uniformMatrix4fv(vpBuffer, false, new Float32Array(vp));