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Fixed normal sign in directional light

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codeanticode
2012-01-09 21:36:37 +00:00
parent 9a3663138d
commit 56911e28f7
1 changed files with 4 additions and 5 deletions
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9
java/libraries/opengl/src/processing/opengl/PGraphicsOpenGL.java
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@@ -4468,8 +4468,7 @@ public class PGraphicsOpenGL extends PGraphics {
lightCount++;
}
public void directionalLight(float r, float g, float b, float nx, float ny,
float nz) {
public void directionalLight(float r, float g, float b, float nx, float ny, float nz) {
enableLighting();
if (lightCount == MAX_LIGHTS) {
throw new RuntimeException("can only create " + MAX_LIGHTS + " lights");
@@ -4492,9 +4491,9 @@ public class PGraphicsOpenGL extends PGraphics {
// In this case, the normal is used to indicate the direction
// of the light, with the w component equals to zero. See
// the comments in the lightDirection() method.
lightNormal[lightCount][0] = -nx;
lightNormal[lightCount][1] = -ny;
lightNormal[lightCount][2] = -nz;
lightNormal[lightCount][0] = nx;
lightNormal[lightCount][1] = ny;
lightNormal[lightCount][2] = nz;
lightNormal[lightCount][3] = 0.0f;
lightEnable(lightCount);