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Fix some of gtk4-demo’s transitions example on OpenGL ES

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Same issue as the previous commit, int+float is error, and pow() only
works on floats.
This commit is contained in:
Emmanuel Gil Peyrot 2020-12-25 01:29:03 +01:00
parent 28c4adac24
commit dd1110ca5c
4 changed files with 4 additions and 4 deletions
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2
demos/gtk-demo/background.glsl
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@ -20,7 +20,7 @@ mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec2 uv)
float b = 1.0/distance (pos, p2);
float sum = r + g + b;
float alpha = 1.0 - pow (1.0/(sum), 40)*pow (10.0, 40*0.7);
float alpha = 1.0 - pow (1.0/(sum), 40.0)*pow (10.0, 40.0*0.7);
fragColor = vec4 (r*0.5, g*0.5, b*0.5, 1.0) * alpha;
}

2
demos/gtk-demo/cogs.glsl
View File

@ -177,7 +177,7 @@ float ccell2(vec2 p, float r) {
float df(vec2 p, float scale, inout vec2 nn) {
p /= scale;
nn = hextile(p);
nn = round(nn);
nn = floor(nn + 0.5);
float r = hash(nn);
float d;;

2
demos/gtk-demo/cogs2.glsl
View File

@ -179,7 +179,7 @@ float ccell2(vec2 p, float r) {
float df(vec2 p, float scale, inout vec2 nn) {
p /= scale;
nn = hextile(p);
nn = round(nn);
nn = floor(nn + 0.5);
float r = hash(nn);
float d;;

2
demos/gtk-demo/ripple.glsl
View File

@ -31,7 +31,7 @@ void mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec
float propagation_length = time * wave_speed;
float t = (propagation_length - distance_from_center) / wave_length;
float offset_magnitude = 0;
float offset_magnitude = 0.0;
if (t > 0.0)
offset_magnitude = decay(wave_height * sin(t * 2.0 * PI), t);