diff options
| -rw-r--r-- | src/net/java/joglutils/msg/nodes/Camera.java | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/net/java/joglutils/msg/nodes/Camera.java b/src/net/java/joglutils/msg/nodes/Camera.java index ecd7179..250d3d1 100644 --- a/src/net/java/joglutils/msg/nodes/Camera.java +++ b/src/net/java/joglutils/msg/nodes/Camera.java @@ -213,14 +213,14 @@ public abstract class Camera extends Node { // Multiply Vec4f unproj = new Vec4f(); mat.xformVec(pt3d, unproj); - if (unproj.z() == 0) { + if (unproj.w() == 0) { // FIXME: is this the right exception to throw in this case? throw new SingularMatrixException(); } - float ooZ = 1.0f / unproj.w(); - Vec3f to = new Vec3f(unproj.x() * ooZ, - unproj.y() * ooZ, - unproj.z() * ooZ); + float ooW = 1.0f / unproj.w(); + Vec3f to = new Vec3f(unproj.x() * ooW, + unproj.y() * ooW, + unproj.z() * ooW); Vec3f from = getRayStartPoint(point, to); Vec3f dir = to.minus(from); |