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Switch back to fun main()

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This commit is contained in:
Edwin Jakobs
2021-08-30 17:18:54 +02:00
parent c5a95f8d17
commit 9a2f10f81d
187 changed files with 313 additions and 316 deletions
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9
orx-fx/src/shaders/glsl/distort/polar-to-rectangular.frag
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@@ -7,6 +7,8 @@ varying vec2 v_texCoord0;
uniform vec2 textureSize0;
uniform sampler2D tex0;
uniform bool logPolar;
#ifndef OR_GL_FRAGCOLOR
out vec4 o_color;
#endif
@@ -16,8 +18,11 @@ out vec4 o_color;
void main() {
vec2 uv = v_texCoord0 - vec2(0.5);
float arg = atan(uv.y, uv.x);
float radius = length(uv);
vec2 sourceUV = vec2(arg / (2*PI) + 0.5, radius/sqrt(0.5));
float bias = 0.0;
float radius = logPolar? log(1.0 + length(uv)*(exp(1.0)-bias)) / log(1.0+(exp(1.0)-bias)*sqrt(0.5)) : (length(uv) / sqrt(0.5));
vec2 sourceUV = vec2(arg / (2*PI) + 0.5, radius);
#ifndef OR_GL_TEXTURE2D
vec4 result = texture(tex0, sourceUV);