Fix endless loop in shader and make framerate adaptive

It seems forcing points outside the cardioid and bulb with a bad random
generator can take really long...
Also, now framerate adjusts based on time it takes to render frames.

1 files changed, 7 insertions, 7 deletions

diff --git a/BuddhaTest/Shaders/BuddhaCompute.glsl b/BuddhaTest/Shaders/BuddhaCompute.glsl
index fcc9010..26c7ad0 100644
--- a/BuddhaTest/Shaders/BuddhaCompute.glsl
+++ b/BuddhaTest/Shaders/BuddhaCompute.glsl
@@ -172,18 +172,18 @@ bool isInMainBulb(vec2 v)
 vec2 getStartValue(uint seed, uint yDecoupler)

 {

     uint hash = seed;

-    bool pointUnusable;

-    vec2 point;

-    do

+

+    for(uint i = 0; i < 5;++i)

     {

         float x = hash1(hash,hash);

         hash = (hash ^ intHash(yDecoupler));

         float y = hash1(hash,hash);

         vec2 random = vec2(x,y);

-        point = vec2(random.x * 3.5-2.5,random.y*1.55);

-        pointUnusable = (isInMainBulb(point) || isInMainCardioid(point));

-    }while(pointUnusable);

-    return point;

+        vec2 point = vec2(random.x * 3.5-2.5,random.y*1.55);

+        if(!(isInMainBulb(point) || isInMainCardioid(point)))

+            return point;

+    }

+    return vec2(0);

 }

 

 bool isGoingToBeDrawn(in vec2 offset, in uint totalIterations, inout vec2 lastVal, inout uint iterationsLeftThisFrame, inout uint doneIterations, out bool result)