Merge pull request #5109 from maiconpintoabreu/julia_set

[examples] Increasing julia_set maxInterations glsl100 to 255

examples/shaders/resources/shaders/glsl100/julia_set.fs

@@ -10,8 +10,8 @@ uniform float zoom;             // Zoom of the scale
 
 // NOTE: Maximum number of shader for-loop iterations depend on GPU,
 // for example, on RasperryPi for this examply only supports up to 60
-const int maxIterations = 48;     // Max iterations to do
-const float colorCycles = 1.0;    // Number of times the color palette repeats
+const int maxIterations = 255;  // Max iterations to do.
+const float colorCycles = 1.0;  // Number of times the color palette repeats.
 
 // Square a complex number
 vec2 ComplexSquare(vec2 z)
@@ -55,7 +55,7 @@ void main()
     z.y += offset.y;
 
     int iter = 0;
-    for (int iterations = 0; iterations < 60; iterations++)
+    for (int iterations = 0; iterations < maxIterations; iterations++)
     {
         z = ComplexSquare(z) + c;  // Iterate function
         if (dot(z, z) > 4.0) break;

examples/shaders/resources/shaders/glsl120/julia_set.fs

@@ -5,13 +5,13 @@ varying vec2 fragTexCoord;
 varying vec4 fragColor;
 
 uniform vec2 c;                 // c.x = real, c.y = imaginary component. Equation done is z^2 + c
-uniform vec2 offset;            // Offset of the scale
-uniform float zoom;             // Zoom of the scale
+uniform vec2 offset;            // Offset of the scale.
+uniform float zoom;             // Zoom of the scale.
 
 // NOTE: Maximum number of shader for-loop iterations depend on GPU,
 // for example, on RasperryPi for this examply only supports up to 60
-const int maxIterations = 48;     // Max iterations to do
-const float colorCycles = 1.0;    // Number of times the color palette repeats
+const int maxIterations = 255;  // Max iterations to do
+const float colorCycles = 1.0;  // Number of times the color palette repeats
 
 // Square a complex number
 vec2 ComplexSquare(vec2 z)
@@ -55,7 +55,7 @@ void main()
     z.y += offset.y;
 
     int iter = 0;
-    for (int iterations = 0; iterations < 60; iterations++)
+    for (int iterations = 0; iterations < maxIterations; iterations++)
     {
         z = ComplexSquare(z) + c;  // Iterate function
         if (dot(z, z) > 4.0) break;