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Renaming shine to raindrop, which makes more sense

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Rezmason
2022-09-16 16:02:06 -07:00
parent 6969514c9b
commit 3fc53f1bab
7 changed files with 41 additions and 41 deletions
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14
shaders/glsl/rainPass.frag.glsl
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@@ -4,7 +4,7 @@
#endif
precision lowp float;
uniform sampler2D shineState, symbolState, effectState;
uniform sampler2D raindropState, symbolState, effectState;
uniform float numColumns, numRows;
uniform sampler2D glyphTex;
uniform float glyphHeightToWidth, glyphSequenceLength, glyphEdgeCrop;
@@ -106,21 +106,21 @@ void main() {
vec2 uv = getUV(vUV);
// Unpack the values from the data textures
vec4 shineData = volumetric ? vShine : texture2D( shineState, uv);
vec4 raindropData = volumetric ? vShine : texture2D( raindropState, uv);
vec4 symbolData = volumetric ? vSymbol : texture2D(symbolState, uv);
vec4 effectData = volumetric ? vEffect : texture2D(effectState, uv);
vec2 brightness = getBrightness(shineData.r, shineData.g, effectData.r, effectData.g);
vec2 brightness = getBrightness(raindropData.r, raindropData.g, effectData.r, effectData.g);
float symbol = getSymbol(uv, symbolData.r);
if (showDebugView) {
gl_FragColor = vec4(
vec3(
shineData.g,
raindropData.g,
vec2(
1.0 - (shineData.r * 3.0),
1.0 - (shineData.r * 8.0)
) * (1.0 - shineData.g)
1.0 - (raindropData.r * 3.0),
1.0 - (raindropData.r * 8.0)
) * (1.0 - raindropData.g)
) * symbol,
1.
);

6
shaders/glsl/rainPass.shine.frag.glsl → shaders/glsl/rainPass.raindrop.frag.glsl
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@@ -45,7 +45,7 @@ float wobble(float x) {
// This is the code rain's key underlying concept.
// It's why glyphs that share a column are lit simultaneously, and are brighter toward the bottom.
// It's also why those bright areas are truncated into raindrops.
float getBrightness(float simTime, vec2 glyphPos) {
float getRainBrightness(float simTime, vec2 glyphPos) {
float columnTimeOffset = randomFloat(vec2(glyphPos.x, 0.)) * 1000.;
float columnSpeedOffset = randomFloat(vec2(glyphPos.x + 0.1, 0.)) * 0.5 + 0.5;
if (loops) {
@@ -62,8 +62,8 @@ float getBrightness(float simTime, vec2 glyphPos) {
// Main function
vec4 computeResult(float simTime, bool isFirstFrame, vec2 glyphPos, vec2 screenPos, vec4 previous) {
float brightness = getBrightness(simTime, glyphPos);
float brightnessBelow = getBrightness(simTime, glyphPos + vec2(0., -1.));
float brightness = getRainBrightness(simTime, glyphPos);
float brightnessBelow = getRainBrightness(simTime, glyphPos + vec2(0., -1.));
float cursor = brightness < brightnessBelow ? 1.0 : 0.0;
// Blend the glyph's brightness with its previous brightness, so it winks on and off organically

10
shaders/glsl/rainPass.symbol.frag.glsl
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@@ -9,7 +9,7 @@ precision highp float;
#define PI 3.14159265359
uniform sampler2D previousSymbolState, shineState;
uniform sampler2D previousSymbolState, raindropState;
uniform float numColumns, numRows;
uniform float time, tick, cycleFrameSkip;
uniform float animationSpeed, cycleSpeed;
@@ -26,13 +26,13 @@ highp float randomFloat( const in vec2 uv ) {
// Main function
vec4 computeResult(float simTime, bool isFirstFrame, vec2 glyphPos, vec2 screenPos, vec4 previous, vec4 shine) {
vec4 computeResult(float simTime, bool isFirstFrame, vec2 glyphPos, vec2 screenPos, vec4 previous, vec4 raindrop) {
float previousSymbol = previous.r;
float previousAge = previous.g;
bool resetGlyph = isFirstFrame;
if (loops) {
resetGlyph = resetGlyph || shine.r <= 0.;
resetGlyph = resetGlyph || raindrop.r <= 0.;
}
if (resetGlyph) {
previousAge = randomFloat(screenPos + 0.5);
@@ -60,6 +60,6 @@ void main() {
vec2 glyphPos = gl_FragCoord.xy;
vec2 screenPos = glyphPos / vec2(numColumns, numRows);
vec4 previous = texture2D( previousSymbolState, screenPos );
vec4 shine = texture2D( shineState, screenPos );
gl_FragColor = computeResult(simTime, isFirstFrame, glyphPos, screenPos, previous, shine);
vec4 raindrop = texture2D( raindropState, screenPos );
gl_FragColor = computeResult(simTime, isFirstFrame, glyphPos, screenPos, previous, raindrop);
}

4
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 shineState, symbolState, effectState;
uniform sampler2D raindropState, symbolState, effectState;
uniform float density;
uniform vec2 quadSize;
uniform float glyphHeightToWidth, glyphVerticalSpacing;
@@ -22,7 +22,7 @@ highp float rand( const in vec2 uv ) {
void main() {
vUV = (aPosition + aCorner) * quadSize;
vShine = texture2D(shineState, aPosition * quadSize);
vShine = texture2D(raindropState, aPosition * quadSize);
vSymbol = texture2D(symbolState, aPosition * quadSize);
vEffect = texture2D(effectState, aPosition * quadSize);