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Whitespace fixes.

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Rezmason
2021-10-20 08:26:16 -07:00
parent 91deea34d6
commit 4e88f68560
10 changed files with 258 additions and 258 deletions
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102
shaders/render.frag
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@@ -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);
}