JOGL v2.6.0-rc-20250706
JOGL, High-Performance Graphics Binding for Java™ (public API).
TestPMVTransform01NOUI.java
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28package com.jogamp.opengl.test.junit.math;
29
30import com.jogamp.junit.util.JunitTracer;
31import com.jogamp.math.Matrix4f;
32import com.jogamp.math.Vec3f;
33import com.jogamp.opengl.test.junit.util.MiscUtils;
34import com.jogamp.opengl.util.PMVMatrix;
35
36import org.junit.Assert;
37import org.junit.Test;
38import org.junit.FixMethodOrder;
39import org.junit.runners.MethodSorters;
40
41@FixMethodOrder(MethodSorters.NAME_ASCENDING)
42public class TestPMVTransform01NOUI extends JunitTracer {
43
44 static final float epsilon = 0.00001f;
45
46 @Test
47 public void test01() {
48 final PMVMatrix pmv = new PMVMatrix();
49 System.err.println(pmv.getCurrentMat().toString(null, "Ident ", "%7.5f"));
50
51 final Vec3f t = new Vec3f(1f, 2f, 3f);
52 final Vec3f s = new Vec3f(2f, 2f, 2f);
53
54 pmv.glTranslatef(t);
55 System.err.println(pmv.getCurrentMat().toString(null, "Translate ", "%7.5f"));
56 pmv.glScalef(s);
57 System.err.println(pmv.getCurrentMat().toString(null, "Scale ", "%7.5f"));
58
59 final Matrix4f exp = new Matrix4f(new float[] {
60 2.00000f, 0.00000f, 0.00000f, 0.00000f,
61 0.00000f, 2.00000f, 0.00000f, 0.00000f,
62 0.00000f, 0.00000f, 2.00000f, 0.00000f,
63 1.00000f, 2.00000f, 3.00000f, 1.00000f,
64 });
65 final Matrix4f has = new Matrix4f();
66 pmv.getMulPMv(has);
67 MiscUtils.assertMatrix4fEquals(exp, has, epsilon);
68 Assert.assertEquals(exp, has);
69 }
70
71 @Test
72 public void test02() {
73 final PMVMatrix pmv = new PMVMatrix();
74 System.err.println(pmv.getCurrentMat().toString(null, "Ident ", "%7.5f"));
75
76 final Vec3f t = new Vec3f(1f, 2f, 3f);
77 final Vec3f s = new Vec3f(2f, 2f, 2f);
78
79 pmv.glScalef(s);
80 System.err.println(pmv.getCurrentMat().toString(null, "Scale ", "%7.5f"));
81 pmv.glTranslatef(t);
82 System.err.println(pmv.getCurrentMat().toString(null, "Translate ", "%7.5f"));
83
84 final Matrix4f exp = new Matrix4f(new float[] {
85 2.00000f, 0.00000f, 0.00000f, 0.00000f,
86 0.00000f, 2.00000f, 0.00000f, 0.00000f,
87 0.00000f, 0.00000f, 2.00000f, 0.00000f,
88 2.00000f, 4.00000f, 6.00000f, 1.00000f,
89 });
90 final Matrix4f has = new Matrix4f();
91 pmv.getMulPMv(has);
92 MiscUtils.assertMatrix4fEquals(exp, has, epsilon);
93 Assert.assertEquals(exp, has);
94 }
95
96 public static void main(final String args[]) {
97 org.junit.runner.JUnitCore.main(TestPMVTransform01NOUI.class.getName());
98 }
99}
Basic 4x4 float matrix implementation using fields for intensive use-cases (host operations).
Definition: Matrix4f.java:89
StringBuilder toString(final StringBuilder sb, final String rowPrefix, final String f)
Definition: Matrix4f.java:2085
3D Vector based upon three float components.
Definition: Vec3f.java:37
final Matrix4f getMulPMv(final Matrix4f result)
Returns multiplication result of P and Mv matrix, i.e.
static void assertMatrix4fEquals(final Matrix4f expected, final Matrix4f actual, final float delta)
Definition: MiscUtils.java:154
PMVMatrix implements a subset of the fixed function pipeline GLMatrixFunc using PMVMatrix4f.
Definition: PMVMatrix.java:62
final void glTranslatef(final float x, final float y, final float z)
Translate the current matrix.
Definition: PMVMatrix.java:379
final void glScalef(final float x, final float y, final float z)
Scale the current matrix.
Definition: PMVMatrix.java:396