HSH
/
cg1_tut_mdi
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

animate position

This commit is contained in:
Luca Conte 2025-03-06 16:40:02 +01:00
parent e749bfee47
commit 4ad7e2e3d0
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/script.js
View File

@ -160,6 +160,9 @@ async function draw() {
let colorLocation = gl.getUniformLocation(program, "color");
gl.uniform3f(colorLocation, ...hslToRgb(hue, 1, 0.5));
let positionLocation = gl.getUniformLocation(program, "position");
gl.uniform2f(positionLocation, Math.cos(hue * 2 * Math.PI) * 0.2, Math.sin(hue * 2 * Math.PI) * 0.2);
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.drawArrays(gl.TRIANGLES, 0, vertices.length / 2);

3
src/shaders/vertex.glsl
View File

@ -2,9 +2,10 @@ precision mediump float;
attribute vec2 vertPosition;
uniform vec3 color;
uniform vec2 position;
varying vec3 fragColor;
void main() {
fragColor = color;
gl_Position = vec4(vertPosition, 0.0, 1.0);
gl_Position = vec4(position + vertPosition, 0.0, 1.0);
}