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Split the rain pass's compute shader in two, with one governing brightness and the other governing glyph cycling. This allows glyphs to randomly cycle properly, and leaves room to store new properties.

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Rezmason
2022-09-07 12:35:27 -07:00
parent 76d37fc752
commit 2eb7b70926
8 changed files with 200 additions and 139 deletions
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7
shaders/glsl/rainPass.vert.glsl
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@@ -1,7 +1,7 @@
#define PI 3.14159265359
precision lowp float;
attribute vec2 aPosition, aCorner;
uniform sampler2D state;
uniform sampler2D shineState, symbolState;
uniform float density;
uniform vec2 quadSize;
uniform float glyphHeightToWidth, glyphVerticalSpacing;
@@ -11,7 +11,7 @@ uniform float time, animationSpeed, forwardSpeed;
uniform bool volumetric;
varying vec2 vUV;
varying vec3 vChannel;
varying vec4 vGlyph;
varying vec4 vShine, vSymbol;
varying float vDepth;
highp float rand( const in vec2 uv ) {
@@ -23,7 +23,8 @@ highp float rand( const in vec2 uv ) {
void main() {
vUV = (aPosition + aCorner) * quadSize;
vGlyph = texture2D(state, aPosition * quadSize);
vShine = texture2D(shineState, aPosition * quadSize);
vSymbol = texture2D(symbolState, aPosition * quadSize);
// Calculate the world space position
float quadDepth = 0.0;