0.1.7

1 files changed, 34 insertions, 0 deletions

diff --git a/src/ru/olamedia/geom/Frustum.java b/src/ru/olamedia/geom/Frustum.java
index 2065157..1a9d58d 100644
--- a/src/ru/olamedia/geom/Frustum.java
+++ b/src/ru/olamedia/geom/Frustum.java
@@ -1,9 +1,43 @@
 package ru.olamedia.geom;
 
+import java.nio.FloatBuffer;
+
+import org.openmali.vecmath2.Matrix4f;
+
+import com.jogamp.opengl.util.PMVMatrix;
+
 //import org.openmali.spatial.bodies.Frustum;
 
 public class Frustum extends org.openmali.spatial.bodies.Frustum {
+	protected PMVMatrix pmvMatrix;
+	protected int mvOffset;
+
 	public Frustum() {
 		super();
 	}
+
+	public Frustum(PMVMatrix matrix) {
+		super();
+		this.pmvMatrix = matrix;
+	}
+
+	public float[] getMatrixFloat(FloatBuffer b) {
+		if (pmvMatrix.usesBackingArray()) {
+			return b.array();
+		} else {
+			int p = b.position();
+			float[] pm = new float[16];
+			b.get(pm, p, 16);
+			b.position(p);
+			return pm;
+		}
+	}
+
+	public void compute() {
+		Matrix4f proj = new Matrix4f(getMatrixFloat(pmvMatrix.glGetPMatrixf()));
+		// proj.transpose();
+		Matrix4f modl = new Matrix4f(getMatrixFloat(pmvMatrix.glGetMviMatrixf()));
+		// modl.transpose();
+		compute(proj, modl);
+	}
 }