Whitespace fixes.

This commit is contained in:
Rezmason
2021-10-20 08:26:16 -07:00
parent 91deea34d6
commit 4e88f68560
10 changed files with 258 additions and 258 deletions

View File

@@ -115,23 +115,23 @@ const loadText = (url) => {
const makeFullScreenQuad = (regl, uniforms = {}, context = {}) =>
regl({
vert: `
precision mediump float;
attribute vec2 aPosition;
varying vec2 vUV;
void main() {
vUV = 0.5 * (aPosition + 1.0);
gl_Position = vec4(aPosition, 0, 1);
}
`,
precision mediump float;
attribute vec2 aPosition;
varying vec2 vUV;
void main() {
vUV = 0.5 * (aPosition + 1.0);
gl_Position = vec4(aPosition, 0, 1);
}
`,
frag: `
precision mediump float;
varying vec2 vUV;
uniform sampler2D tex;
void main() {
gl_FragColor = texture2D(tex, vUV);
}
`,
precision mediump float;
varying vec2 vUV;
uniform sampler2D tex;
void main() {
gl_FragColor = texture2D(tex, vUV);
}
`,
attributes: {
aPosition: [-4, -4, 4, -4, 0, 4],

View File

@@ -4,21 +4,21 @@ uniform sampler2D tex;
uniform vec2 direction;
varying vec2 vUV;
void main() {
vec2 size = width > height ? vec2(width / height, 1.) : vec2(1., height / width);
gl_FragColor =
texture2D(tex, vUV) * 0.442 +
(
texture2D(tex, vUV + direction / max(width, height) * size) +
texture2D(tex, vUV - direction / max(width, height) * size)
) * 0.279;
// gl_FragColor =
// texture2D(tex, vUV) * 0.38774 +
// (
// texture2D(tex, vUV + direction / max(width, height) * size * 0.5) +
// texture2D(tex, vUV - direction / max(width, height) * size * 0.5)
// ) * 0.24477 +
// (
// texture2D(tex, vUV + direction / max(width, height) * size) +
// texture2D(tex, vUV - direction / max(width, height) * size)
// ) * 0.06136;
vec2 size = width > height ? vec2(width / height, 1.) : vec2(1., height / width);
gl_FragColor =
texture2D(tex, vUV) * 0.442 +
(
texture2D(tex, vUV + direction / max(width, height) * size) +
texture2D(tex, vUV - direction / max(width, height) * size)
) * 0.279;
// gl_FragColor =
// texture2D(tex, vUV) * 0.38774 +
// (
// texture2D(tex, vUV + direction / max(width, height) * size * 0.5) +
// texture2D(tex, vUV - direction / max(width, height) * size * 0.5)
// ) * 0.24477 +
// (
// texture2D(tex, vUV + direction / max(width, height) * size) +
// texture2D(tex, vUV - direction / max(width, height) * size)
// ) * 0.06136;
}

View File

@@ -3,9 +3,9 @@ varying vec2 vUV;
uniform sampler2D tex;
uniform float highPassThreshold;
void main() {
vec3 lumaColor = texture2D(tex, vUV).rgb;
if (lumaColor.r < highPassThreshold) lumaColor.r = 0.0;
if (lumaColor.g < highPassThreshold) lumaColor.g = 0.0;
if (lumaColor.b < highPassThreshold) lumaColor.b = 0.0;
gl_FragColor = vec4(lumaColor, 1.0);
vec3 lumaColor = texture2D(tex, vUV).rgb;
if (lumaColor.r < highPassThreshold) lumaColor.r = 0.0;
if (lumaColor.g < highPassThreshold) lumaColor.g = 0.0;
if (lumaColor.b < highPassThreshold) lumaColor.b = 0.0;
gl_FragColor = vec4(lumaColor, 1.0);
}

View File

@@ -5,7 +5,7 @@ uniform sampler2D backgroundTex;
varying vec2 vUV;
void main() {
vec3 bgColor = texture2D(backgroundTex, vUV).rgb;
float brightness = pow(min(1., texture2D(tex, vUV).r * 2.) + texture2D(bloomTex, vUV).r, 1.5);
gl_FragColor = vec4(bgColor * brightness, 1.0);
vec3 bgColor = texture2D(backgroundTex, vUV).rgb;
float brightness = pow(min(1., texture2D(tex, vUV).r * 2.) + texture2D(bloomTex, vUV).r, 1.5);
gl_FragColor = vec4(bgColor * brightness, 1.0);
}

View File

@@ -10,14 +10,14 @@ uniform vec3 backgroundColor;
varying vec2 vUV;
highp float rand( const in vec2 uv, const in float t ) {
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c + t);
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c + t);
}
void main() {
vec4 brightnessRGB = texture2D( tex, vUV ) + texture2D( bloomTex, vUV );
float brightness = brightnessRGB.r + brightnessRGB.g + brightnessRGB.b;
float at = brightness - rand( gl_FragCoord.xy, time ) * ditherMagnitude;
gl_FragColor = texture2D( palette, vec2(at, 0.0)) + vec4(backgroundColor, 0.0);
vec4 brightnessRGB = texture2D( tex, vUV ) + texture2D( bloomTex, vUV );
float brightness = brightnessRGB.r + brightnessRGB.g + brightnessRGB.b;
float at = brightness - rand( gl_FragCoord.xy, time ) * ditherMagnitude;
gl_FragColor = texture2D( palette, vec2(at, 0.0)) + vec4(backgroundColor, 0.0);
}

View File

@@ -19,70 +19,70 @@ varying vec3 vChannel;
varying vec4 vGlyph;
float median3(vec3 i) {
return max(min(i.r, i.g), min(max(i.r, i.g), i.b));
return max(min(i.r, i.g), min(max(i.r, i.g), i.b));
}
float getSymbolIndex(float glyphCycle) {
float symbol = floor(glyphSequenceLength * glyphCycle);
float symbolX = mod(symbol, glyphTextureColumns);
float symbolY = ((glyphTextureColumns - 1.0) - (symbol - symbolX) / glyphTextureColumns);
return symbolY * glyphTextureColumns + symbolX;
float symbol = floor(glyphSequenceLength * glyphCycle);
float symbolX = mod(symbol, glyphTextureColumns);
float symbolY = ((glyphTextureColumns - 1.0) - (symbol - symbolX) / glyphTextureColumns);
return symbolY * glyphTextureColumns + symbolX;
}
void main() {
vec2 uv = vUV;
vec2 uv = vUV;
if (!volumetric) {
if (isPolar) {
// Curves the UV space to make letters appear to radiate from up above
uv -= 0.5;
uv *= 0.5;
uv.y -= 0.5;
float radius = length(uv);
float angle = atan(uv.y, uv.x) / (2. * PI) + 0.5;
uv = vec2(angle * 4. - 0.5, 1.5 - pow(radius, 0.5) * 1.5);
} else {
// Applies the slant, scaling the UV space
// to guarantee the viewport is still covered
uv = vec2(
(uv.x - 0.5) * slantVec.x + (uv.y - 0.5) * slantVec.y,
(uv.y - 0.5) * slantVec.x - (uv.x - 0.5) * slantVec.y
) * slantScale + 0.5;
}
uv.y /= glyphHeightToWidth;
}
if (!volumetric) {
if (isPolar) {
// Curves the UV space to make letters appear to radiate from up above
uv -= 0.5;
uv *= 0.5;
uv.y -= 0.5;
float radius = length(uv);
float angle = atan(uv.y, uv.x) / (2. * PI) + 0.5;
uv = vec2(angle * 4. - 0.5, 1.5 - pow(radius, 0.5) * 1.5);
} else {
// Applies the slant, scaling the UV space
// to guarantee the viewport is still covered
uv = vec2(
(uv.x - 0.5) * slantVec.x + (uv.y - 0.5) * slantVec.y,
(uv.y - 0.5) * slantVec.x - (uv.x - 0.5) * slantVec.y
) * slantScale + 0.5;
}
uv.y /= glyphHeightToWidth;
}
vec4 glyph = volumetric ? vGlyph : texture2D(lastState, uv);
vec4 glyph = volumetric ? vGlyph : texture2D(lastState, uv);
if (showComputationTexture) {
gl_FragColor = glyph;
return;
}
if (showComputationTexture) {
gl_FragColor = glyph;
return;
}
// Unpack the values from the font texture
float brightness = glyph.r;
float symbolIndex = getSymbolIndex(glyph.g);
float quadDepth = glyph.b;
float effect = glyph.a;
// Unpack the values from the font texture
float brightness = glyph.r;
float symbolIndex = getSymbolIndex(glyph.g);
float quadDepth = glyph.b;
float effect = glyph.a;
brightness = max(effect, brightness);
if (volumetric) {
brightness = min(1.0, brightness * quadDepth * 1.25);
}
brightness = max(effect, brightness);
if (volumetric) {
brightness = min(1.0, brightness * quadDepth * 1.25);
}
// resolve UV to MSDF texture coord
vec2 symbolUV = vec2(mod(symbolIndex, glyphTextureColumns), floor(symbolIndex / glyphTextureColumns));
vec2 glyphUV = fract(uv * vec2(numColumns, numRows));
glyphUV -= 0.5;
glyphUV *= clamp(1.0 - glyphEdgeCrop, 0.0, 1.0);
glyphUV += 0.5;
vec2 msdfUV = (glyphUV + symbolUV) / glyphTextureColumns;
// resolve UV to MSDF texture coord
vec2 symbolUV = vec2(mod(symbolIndex, glyphTextureColumns), floor(symbolIndex / glyphTextureColumns));
vec2 glyphUV = fract(uv * vec2(numColumns, numRows));
glyphUV -= 0.5;
glyphUV *= clamp(1.0 - glyphEdgeCrop, 0.0, 1.0);
glyphUV += 0.5;
vec2 msdfUV = (glyphUV + symbolUV) / glyphTextureColumns;
// MSDF
vec3 dist = texture2D(glyphTex, msdfUV).rgb;
float sigDist = median3(dist) - 0.5;
float alpha = clamp(sigDist/fwidth(sigDist) + 0.5, 0.0, 1.0);
// MSDF
vec3 dist = texture2D(glyphTex, msdfUV).rgb;
float sigDist = median3(dist) - 0.5;
float alpha = clamp(sigDist/fwidth(sigDist) + 0.5, 0.0, 1.0);
gl_FragColor = vec4(vChannel * brightness * alpha, 1.0);
gl_FragColor = vec4(vChannel * brightness * alpha, 1.0);
}

View File

@@ -16,38 +16,38 @@ varying vec3 vChannel;
varying vec4 vGlyph;
highp float rand( const in vec2 uv ) {
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c);
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c);
}
void main() {
vUV = (aPosition + aCorner) * quadSize;
vGlyph = texture2D(lastState, aPosition * quadSize);
vUV = (aPosition + aCorner) * quadSize;
vGlyph = texture2D(lastState, aPosition * quadSize);
float quadDepth = 0.0;
if (volumetric && !showComputationTexture) {
quadDepth = fract(vGlyph.b + time * animationSpeed * forwardSpeed);
vGlyph.b = quadDepth;
}
vec2 position = (aPosition + aCorner * vec2(density, 1.)) * quadSize;
vec4 pos = vec4((position - 0.5) * 2.0, quadDepth, 1.0);
float quadDepth = 0.0;
if (volumetric && !showComputationTexture) {
quadDepth = fract(vGlyph.b + time * animationSpeed * forwardSpeed);
vGlyph.b = quadDepth;
}
vec2 position = (aPosition + aCorner * vec2(density, 1.)) * quadSize;
vec4 pos = vec4((position - 0.5) * 2.0, quadDepth, 1.0);
vChannel = vec3(1.0, 0.0, 0.0);
vChannel = vec3(1.0, 0.0, 0.0);
if (volumetric) {
if (rand(vec2(aPosition.x, 0)) < resurrectingCodeRatio) {
pos.y = -pos.y;
vChannel = vec3(0.0, 1.0, 0.0);
}
if (volumetric) {
if (rand(vec2(aPosition.x, 0)) < resurrectingCodeRatio) {
pos.y = -pos.y;
vChannel = vec3(0.0, 1.0, 0.0);
}
pos.x /= glyphHeightToWidth;
pos.x /= glyphHeightToWidth;
pos = camera * transform * pos;
} else {
pos.xy *= screenSize;
}
pos = camera * transform * pos;
} else {
pos.xy *= screenSize;
}
gl_Position = pos;
gl_Position = pos;
}

View File

@@ -9,36 +9,36 @@ uniform vec3 backgroundColor;
varying vec2 vUV;
highp float rand( const in vec2 uv, const in float t ) {
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c + t);
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c + t);
}
float rgbComponent(float p, float q, float t) {
if (t < 0.0) t += 1.0;
if (t > 1.0) t -= 1.0;
if (t < 1.0 / 6.0) return p + (q - p) * 6.0 * t;
if (t < 1.0 / 2.0) return q;
if (t < 2.0 / 3.0) return p + (q - p) * (2.0 / 3.0 - t) * 6.0;
return p;
if (t < 0.0) t += 1.0;
if (t > 1.0) t -= 1.0;
if (t < 1.0 / 6.0) return p + (q - p) * 6.0 * t;
if (t < 1.0 / 2.0) return q;
if (t < 2.0 / 3.0) return p + (q - p) * (2.0 / 3.0 - t) * 6.0;
return p;
}
vec3 hslToRgb(float h, float s, float l){
float q = l < 0.5 ? l * (1. + s) : l + s - l * s;
float p = 2.0 * l - q;
return vec3(
rgbComponent(p, q, h + 1.0 / 3.0),
rgbComponent(p, q, h),
rgbComponent(p, q, h - 1.0 / 3.0)
);
float q = l < 0.5 ? l * (1. + s) : l + s - l * s;
float p = 2.0 * l - q;
return vec3(
rgbComponent(p, q, h + 1.0 / 3.0),
rgbComponent(p, q, h),
rgbComponent(p, q, h - 1.0 / 3.0)
);
}
void main() {
vec3 brightness = mix(texture2D( bloomTex, vUV ).rgb, texture2D( tex, vUV ).rgb, (0.7 - length(vUV - 0.5))) * 1.25 - rand( gl_FragCoord.xy, time ) * ditherMagnitude;
vec3 brightness = mix(texture2D( bloomTex, vUV ).rgb, texture2D( tex, vUV ).rgb, (0.7 - length(vUV - 0.5))) * 1.25 - rand( gl_FragCoord.xy, time ) * ditherMagnitude;
float hue = 0.35 + (length(vUV - vec2(0.5, 1.0)) * -0.4 + 0.2);
vec3 rgb = hslToRgb(hue, 0.8, max(0., brightness.r)) * vec3(0.8, 1.0, 0.7);
vec3 resurrectionRGB = hslToRgb(0.13, 1.0, max(0., brightness.g) * 0.9);
gl_FragColor = vec4(rgb + resurrectionRGB + backgroundColor, 1.0);
float hue = 0.35 + (length(vUV - vec2(0.5, 1.0)) * -0.4 + 0.2);
vec3 rgb = hslToRgb(hue, 0.8, max(0., brightness.r)) * vec3(0.8, 1.0, 0.7);
vec3 resurrectionRGB = hslToRgb(0.13, 1.0, max(0., brightness.g) * 0.9);
gl_FragColor = vec4(rgb + resurrectionRGB + backgroundColor, 1.0);
}

View File

@@ -10,14 +10,14 @@ uniform vec3 backgroundColor;
varying vec2 vUV;
highp float rand( const in vec2 uv, const in float t ) {
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c + t);
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c + t);
}
void main() {
vec3 color = texture2D(stripes, vUV).rgb;
float brightness = min(1., texture2D(tex, vUV).r * 2.) + texture2D(bloomTex, vUV).r;
float at = brightness - rand( gl_FragCoord.xy, time ) * ditherMagnitude;
gl_FragColor = vec4(color * at + backgroundColor, 1.0);
vec3 color = texture2D(stripes, vUV).rgb;
float brightness = min(1., texture2D(tex, vUV).r * 2.) + texture2D(bloomTex, vUV).r;
float at = brightness - rand( gl_FragCoord.xy, time ) * ditherMagnitude;
gl_FragColor = vec4(color * at + backgroundColor, 1.0);
}

View File

@@ -1,11 +1,11 @@
precision highp float;
// This shader is the star of the show.
// In normal operation, each pixel represents a glyph's:
// R: brightness
// G: progress through the glyph sequence
// B: current glyph index
// A: additional brightness, for effects
// In normal operation, each pixel represents a glyph's:
// R: brightness
// G: progress through the glyph sequence
// B: current glyph index
// A: additional brightness, for effects
#define PI 3.14159265359
#define RADS_TO_HZ 0.15915494309
@@ -28,151 +28,151 @@ uniform int rippleType;
uniform float cursorEffectThreshold;
float max2(vec2 v) {
return max(v.x, v.y);
return max(v.x, v.y);
}
highp float rand( const in vec2 uv ) {
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c);
const highp float a = 12.9898, b = 78.233, c = 43758.5453;
highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
return fract(sin(sn) * c);
}
vec2 rand2(vec2 p) {
return fract(vec2(sin(p.x * 591.32 + p.y * 154.077), cos(p.x * 391.32 + p.y * 49.077)));
return fract(vec2(sin(p.x * 591.32 + p.y * 154.077), cos(p.x * 391.32 + p.y * 49.077)));
}
float getRainTime(float simTime, vec2 glyphPos) {
float columnTimeOffset = rand(vec2(glyphPos.x, 0.0));
float columnSpeedOffset = rand(vec2(glyphPos.x + 0.1, 0.0));
// columnSpeedOffset = 0.0; // loop
float columnTime = (columnTimeOffset * 1000.0 + simTime * 0.5 * fallSpeed) * (0.5 + columnSpeedOffset * 0.5) + (sin(RADS_TO_HZ * simTime * fallSpeed * columnSpeedOffset) * 0.2);
return (glyphPos.y * 0.01 + columnTime) / raindropLength;
float columnTimeOffset = rand(vec2(glyphPos.x, 0.0));
float columnSpeedOffset = rand(vec2(glyphPos.x + 0.1, 0.0));
// columnSpeedOffset = 0.0; // loop
float columnTime = (columnTimeOffset * 1000.0 + simTime * 0.5 * fallSpeed) * (0.5 + columnSpeedOffset * 0.5) + (sin(RADS_TO_HZ * simTime * fallSpeed * columnSpeedOffset) * 0.2);
return (glyphPos.y * 0.01 + columnTime) / raindropLength;
}
float getRainBrightness(float rainTime) {
float value = 1.0 - fract((rainTime + 0.3 * sin(RADS_TO_HZ * SQRT_2 * rainTime) + 0.2 * sin(RADS_TO_HZ * SQRT_5 * rainTime)));
// value = 1.0 - fract(rainTime); // loop
return log(value * 1.25) * 3.0;
float value = 1.0 - fract((rainTime + 0.3 * sin(RADS_TO_HZ * SQRT_2 * rainTime) + 0.2 * sin(RADS_TO_HZ * SQRT_5 * rainTime)));
// value = 1.0 - fract(rainTime); // loop
return log(value * 1.25) * 3.0;
}
float getGlyphCycleSpeed(float rainTime, float brightness) {
float glyphCycleSpeed = 0.0;
if (cycleStyle == 0 && brightness > 0.0) {
glyphCycleSpeed = pow(1.0 - brightness, 4.0);
} else if (cycleStyle == 1) {
glyphCycleSpeed = fract((rainTime + 0.7 * sin(RADS_TO_HZ * SQRT_2 * rainTime) + 1.1 * sin(RADS_TO_HZ * SQRT_5 * rainTime))) * 0.75;
// glyphCycleSpeed = fract(rainTime) * 0.75; // loop
}
return glyphCycleSpeed;
float glyphCycleSpeed = 0.0;
if (cycleStyle == 0 && brightness > 0.0) {
glyphCycleSpeed = pow(1.0 - brightness, 4.0);
} else if (cycleStyle == 1) {
glyphCycleSpeed = fract((rainTime + 0.7 * sin(RADS_TO_HZ * SQRT_2 * rainTime) + 1.1 * sin(RADS_TO_HZ * SQRT_5 * rainTime))) * 0.75;
// glyphCycleSpeed = fract(rainTime) * 0.75; // loop
}
return glyphCycleSpeed;
}
float applySunShower(float rainBrightness, vec2 screenPos) {
if (rainBrightness < -4.) {
return rainBrightness;
}
float value = pow(fract(rainBrightness * 0.5), 3.0) * screenPos.y * 1.5;
return value;
if (rainBrightness < -4.) {
return rainBrightness;
}
float value = pow(fract(rainBrightness * 0.5), 3.0) * screenPos.y * 1.5;
return value;
}
float applyThunder(float rainBrightness, float simTime, vec2 screenPos) {
simTime *= 0.5;
float thunder = 1.0 - fract((simTime + 0.3 * sin(RADS_TO_HZ * SQRT_2 * simTime) + 0.2 * sin(RADS_TO_HZ * SQRT_5 * simTime)));
// thunder = 1.0 - fract(simTime + 0.3); // loop
thunder = log(thunder * 1.5) * 4.0;
thunder = clamp(thunder, 0., 1.);
thunder = thunder * pow(screenPos.y, 2.) * 3.;
return rainBrightness + thunder;
simTime *= 0.5;
float thunder = 1.0 - fract((simTime + 0.3 * sin(RADS_TO_HZ * SQRT_2 * simTime) + 0.2 * sin(RADS_TO_HZ * SQRT_5 * simTime)));
// thunder = 1.0 - fract(simTime + 0.3); // loop
thunder = log(thunder * 1.5) * 4.0;
thunder = clamp(thunder, 0., 1.);
thunder = thunder * pow(screenPos.y, 2.) * 3.;
return rainBrightness + thunder;
}
float applyRippleEffect(float effect, float simTime, vec2 screenPos) {
if (rippleType == -1) {
return effect;
}
if (rippleType == -1) {
return effect;
}
float rippleTime = (simTime * 0.5 + 0.2 * sin(RADS_TO_HZ * simTime)) * rippleSpeed + 1.;
// rippleTime = (simTime * 0.5) * rippleSpeed + 1.; // loop
float rippleTime = (simTime * 0.5 + 0.2 * sin(RADS_TO_HZ * simTime)) * rippleSpeed + 1.;
// rippleTime = (simTime * 0.5) * rippleSpeed + 1.; // loop
vec2 offset = rand2(vec2(floor(rippleTime), 0.)) - 0.5;
// offset = vec2(0.); // loop
vec2 ripplePos = screenPos * 2.0 - 1.0 + offset;
float rippleDistance;
if (rippleType == 0) {
rippleDistance = max2(abs(ripplePos) * vec2(1.0, glyphHeightToWidth));
} else if (rippleType == 1) {
rippleDistance = length(ripplePos);
}
vec2 offset = rand2(vec2(floor(rippleTime), 0.)) - 0.5;
// offset = vec2(0.); // loop
vec2 ripplePos = screenPos * 2.0 - 1.0 + offset;
float rippleDistance;
if (rippleType == 0) {
rippleDistance = max2(abs(ripplePos) * vec2(1.0, glyphHeightToWidth));
} else if (rippleType == 1) {
rippleDistance = length(ripplePos);
}
float rippleValue = fract(rippleTime) * rippleScale - rippleDistance;
float rippleValue = fract(rippleTime) * rippleScale - rippleDistance;
if (rippleValue > 0. && rippleValue < rippleThickness) {
return effect + 0.75;
} else {
return effect;
}
if (rippleValue > 0. && rippleValue < rippleThickness) {
return effect + 0.75;
} else {
return effect;
}
}
float applyCursorEffect(float effect, float brightness) {
if (brightness >= cursorEffectThreshold) {
effect = 1.0;
}
return effect;
if (brightness >= cursorEffectThreshold) {
effect = 1.0;
}
return effect;
}
void main() {
void main() {
vec2 glyphPos = gl_FragCoord.xy;
vec2 screenPos = glyphPos / vec2(numColumns, numRows);
float simTime = time * animationSpeed;
vec2 glyphPos = gl_FragCoord.xy;
vec2 screenPos = glyphPos / vec2(numColumns, numRows);
float simTime = time * animationSpeed;
// Read the current values of the glyph
vec4 data = texture2D( lastState, screenPos );
bool isInitializing = length(data) == 0.;
float oldRainBrightness = data.r;
float oldGlyphCycle = data.g;
if (isInitializing) {
oldGlyphCycle = showComputationTexture ? 0.5 : rand(screenPos);
}
// Read the current values of the glyph
vec4 data = texture2D( lastState, screenPos );
bool isInitializing = length(data) == 0.;
float oldRainBrightness = data.r;
float oldGlyphCycle = data.g;
if (isInitializing) {
oldGlyphCycle = showComputationTexture ? 0.5 : rand(screenPos);
}
if (oldRainBrightness <= 0.0) {
// oldGlyphCycle = showComputationTexture ? 0.5 : rand(screenPos); // loop
}
if (oldRainBrightness <= 0.0) {
// oldGlyphCycle = showComputationTexture ? 0.5 : rand(screenPos); // loop
}
float rainTime = getRainTime(simTime, glyphPos);
float rainBrightness = getRainBrightness(rainTime);
float rainTime = getRainTime(simTime, glyphPos);
float rainBrightness = getRainBrightness(rainTime);
if (hasSun) rainBrightness = applySunShower(rainBrightness, screenPos);
if (hasThunder) rainBrightness = applyThunder(rainBrightness, simTime, screenPos);
if (hasSun) rainBrightness = applySunShower(rainBrightness, screenPos);
if (hasThunder) rainBrightness = applyThunder(rainBrightness, simTime, screenPos);
float glyphCycleSpeed = getGlyphCycleSpeed(rainTime, rainBrightness);
float glyphCycle = fract(oldGlyphCycle + 0.005 * animationSpeed * cycleSpeed * glyphCycleSpeed);
float glyphCycleSpeed = getGlyphCycleSpeed(rainTime, rainBrightness);
float glyphCycle = fract(oldGlyphCycle + 0.005 * animationSpeed * cycleSpeed * glyphCycleSpeed);
float effect = 0.;
effect = applyRippleEffect(effect, simTime, screenPos);
effect = applyCursorEffect(effect, rainBrightness);
float effect = 0.;
effect = applyRippleEffect(effect, simTime, screenPos);
effect = applyCursorEffect(effect, rainBrightness);
float glyphDepth = rand(vec2(glyphPos.x, 0.0));
float glyphDepth = rand(vec2(glyphPos.x, 0.0));
if (rainBrightness > brightnessMinimum) {
rainBrightness = rainBrightness * brightnessMultiplier + brightnessOffset;
}
if (rainBrightness > brightnessMinimum) {
rainBrightness = rainBrightness * brightnessMultiplier + brightnessOffset;
}
if (!isInitializing) {
rainBrightness = mix(oldRainBrightness, rainBrightness, brightnessMix);
}
if (!isInitializing) {
rainBrightness = mix(oldRainBrightness, rainBrightness, brightnessMix);
}
if (showComputationTexture) {
gl_FragColor = vec4(
rainBrightness,
glyphCycle,
min(1.0, glyphCycleSpeed), // Better use of the blue channel, for show and tell
1.0
);
} else {
gl_FragColor = vec4(
rainBrightness,
glyphCycle,
glyphDepth,
effect
);
}
if (showComputationTexture) {
gl_FragColor = vec4(
rainBrightness,
glyphCycle,
min(1.0, glyphCycleSpeed), // Better use of the blue channel, for show and tell
1.0
);
} else {
gl_FragColor = vec4(
rainBrightness,
glyphCycle,
glyphDepth,
effect
);
}
}