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clean up waveform shader

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lunarcleint
2024-03-22 18:27:57 -07:00
parent d9c21c2b11
commit 92d9d650e8
1 changed files with 39 additions and 52 deletions
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assets/shaders/engine/editorWaveforms.frag
+39 -52
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@@ -19,13 +19,13 @@ uniform ivec2 waveformSize;
uniform bool lowDetail;
float getAmplitude(vec2 pixel) {
float pixelID = floor((pixel.y+pixelOffset)/3.);
float pixelID = floor((pixel.y+pixelOffset)/3.0);
// TODO: INVESTIGATE THE 1.+ AND WHY IT WORKS (SRSLY I GOT NO CLUE) -lunar
vec2 wavePixel = vec2(mod(pixelID,waveformSize.x), 1.+floor(pixelID/waveformSize.x));
vec2 wavePixel = vec2(mod(pixelID,waveformSize.x), 1.0+floor(pixelID/waveformSize.x));
vec4 waveData = texture2D(waveformTexture, wavePixel / waveformSize);
switch (int(mod(wavePixel.x, 3.))) {
switch (int(mod(wavePixel.x, 3.0))) {
case 0: return waveData.r; break;
case 1: return waveData.g; break;
case 2: return waveData.b; break;
@@ -33,70 +33,57 @@ float getAmplitude(vec2 pixel) {
return 0.;
}
float getAmpWidth(float amplitude) {
return (1.0-amplitude) * textureRes.x;
}
bool inWaveForm(vec2 pixel, float width) {
float widthdiv2 = width/2.;
float widthdiv2 = width/2.0;
return pixel.x > widthdiv2 && pixel.x < textureRes.x-widthdiv2;
}
float getHightlight(float ampwidth) {
float remapCoord = (ampwidth/textureRes.x)/2.0;
float mappedCoord = map(openfl_TextureCoordv.x, remapCoord, 1.0-remapCoord, 0.0, 1.0);
return 1.-(abs(mappedCoord-0.5)*2.0);
}
void outlineWaveform(vec2 pixel, vec2 offset) {
float amplitude = getAmplitude(pixel - offset);
float ampwidth = (1.-amplitude) * textureRes.x;
if (!inWaveForm(pixel, ampwidth))
gl_FragColor -= outlinecolor*mix(0.5, .8, amplitude);
}
void highDetailWaveform(vec2 pixel, float amplitude, float ampwidth) {
if (inWaveForm(pixel, ampwidth)) {
vec3 gradientColor = mix(gradient1, gradient2, openfl_TextureCoordv.x);
gradientColor *= pixel.y+pixelOffset>playerPosition ? .7 : 1.;
vec3 gradientColor = mix(gradient1, gradient2, openfl_TextureCoordv.x);
gradientColor *= pixel.y+pixelOffset>playerPosition ? 0.7 : 1.0;
gradientColor = mix(gradientColor, gradientColor * vec3(1.8), map(getHightlight(amplitude), 0.0, 1.0, 0.5, 1.0));
float remapCoord = (amplitude/textureRes.x)/2.;
float ampwidthHighlight = getAmpWidth(amplitude*(1.0/3.0));
if (inWaveForm(pixel, ampwidthHighlight))
gradientColor = mix(gradientColor, gradientColor * vec3(1.8), map(getHightlight(ampwidthHighlight), 0.0, 1.0, 0.5, 1.0));
gl_FragColor = vec4(vec3(gradientColor * mix(0.5, 0.8, amplitude))*openfl_Alphav, openfl_Alphav);
float mappedCoord = map(openfl_TextureCoordv.x, remapCoord, 1.-remapCoord, 0., 1.);
float hightlightAmount = 1.-(abs(mappedCoord-0.5)*2.);
gradientColor = mix(gradientColor, gradientColor * vec3(1.8), map(hightlightAmount, 0., 1., .5, 1.));
float ampwidthHighlight = (1.-(amplitude*(1./3.))) * textureRes.x;
if (inWaveForm(pixel, ampwidthHighlight)) {
float remapCoord = (ampwidthHighlight/textureRes.x)/2.;
float mappedCoord = map(openfl_TextureCoordv.x, remapCoord, 1.-remapCoord, 0., 1.);
float hightlightAmount = 1.-(abs(mappedCoord-0.5)*2.);
gradientColor = mix(gradientColor, gradientColor * vec3(1.8), map(hightlightAmount, 0., 1., .5, 1.));
}
gl_FragColor = vec4(vec3(gradientColor * mix(0.5, .8, amplitude))*openfl_Alphav, openfl_Alphav);
float lastAmplitude = getAmplitude(pixel - vec2(0., -1.));
float lastAmpwidth = (1.-lastAmplitude) * textureRes.x;
if (!inWaveForm(pixel, lastAmpwidth))
gl_FragColor -= outlinecolor*mix(0.5, .8, amplitude);
float nextAmplitude = getAmplitude(pixel - vec2(0., 1.));
float nextAmpwidth = (1.-nextAmplitude) * textureRes.x;
if (!inWaveForm(pixel, nextAmpwidth))
gl_FragColor -= outlinecolor*mix(0.5, .8, amplitude);
if (!inWaveForm(pixel, ampwidth+2.) && amplitude > 0.)
gl_FragColor -= outlinecolor;
}
outlineWaveform(pixel, vec2(0.0, -1.0));
outlineWaveform(pixel, vec2(0.0, 1.0));
}
void lowDetailWaveform(vec2 pixel, float amplitude, float ampwidth) {
if (inWaveForm(pixel, ampwidth)) {
vec3 color = lowdetailcol;
color *= pixel.y+pixelOffset>playerPosition ? .7 : 1.;
gl_FragColor = vec4(color, 1.);
}
gl_FragColor = vec4(lowdetailcol * (pixel.y+pixelOffset>playerPosition ? 0.7 : 1.0), 1.0);
}
void main()
{
vec2 pixel = openfl_TextureCoordv * textureRes;
float amplitude = getAmplitude(pixel);
float ampwidth = (1.-amplitude) * textureRes.x;
float ampwidth = getAmpWidth(amplitude);
if (lowDetail)
lowDetailWaveform(pixel, amplitude, ampwidth);
else
highDetailWaveform(pixel, amplitude, ampwidth);
gl_FragColor = vec4(0.0);
if (!inWaveForm(pixel, ampwidth)) return;
if (lowDetail) lowDetailWaveform(pixel, amplitude, ampwidth);
else highDetailWaveform(pixel, amplitude, ampwidth);
}