VoronoiSplat: Fixed issue #8.

1 files changed, 3 insertions, 3 deletions

diff --git a/voronoisplat.cpp b/voronoisplat.cpp
index 0a2894b..910f17f 100644
--- a/voronoisplat.cpp
+++ b/voronoisplat.cpp
@@ -245,7 +245,7 @@ void main() {
     discard;
   else {
     vec4 accum = texelFetch(accumTex, ivec2(gl_FragCoord.xy), 0);
-    float value = (accum.g == 0.0) ? 0.0 : accum.r / accum.g;
+    float value = (accum.g > 1.0) ? (accum.r - 1.0) / (accum.g - 1.0) : 0.0;
     fragColor = vec4(getRGB(value), 1.0 - dt / rad_max);
   }
 }
@@ -366,14 +366,14 @@ void VoronoiSplatRenderer::render()
     gl.glEnable(GL_POINT_SPRITE);
     gl.glEnable(GL_PROGRAM_POINT_SIZE);
     gl.glEnable(GL_BLEND);
-    gl.glBlendFunc(GL_ONE, GL_ZERO);
+    gl.glBlendFunc(GL_ONE, GL_ONE);
 
     // First, we draw to an intermediate texture, which is used as input for the
     // second pass
     gl.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
             GL_TEXTURE_2D, m_textures[1], 0);
 
-    gl.glClearColor(0, 0, 0, 1);
+    gl.glClearColor(1, 1, 1, 1);
     gl.glClear(GL_COLOR_BUFFER_BIT);
 
     m_sitesVAO.bind();