1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
package dev.figboot.cuberender.math;
import lombok.AllArgsConstructor;
@AllArgsConstructor
public class Matrix4f {
public float m00, m01, m02, m03,
m10, m11, m12, m13,
m20, m21, m22, m23,
m30, m31, m32, m33;
public Matrix4f() {
identity();
}
public Matrix4f(Matrix4f mat) {
this(mat.m00, mat.m01, mat.m02, mat.m03, mat.m10, mat.m11, mat.m12, mat.m13, mat.m20, mat.m21, mat.m22, mat.m23, mat.m30, mat.m31, mat.m32, mat.m33);
}
public Matrix4f identity() {
return identity(this);
}
public Matrix4f identity(Matrix4f target) {
target.m00 = target.m11 = target.m22 = target.m33 = 1f;
target.m01 = target.m02 = target.m03
= target.m10 = target.m12 = target.m13
= target.m20 = target.m21 = target.m23
= target.m30 = target.m31 = target.m32 = 0;
return target;
}
public Matrix4f times(Matrix4f right) {
return times(right, this);
}
public Matrix4f times(Matrix4f right, Matrix4f target) {
float m00 = this.m00 * right.m00 + this.m01 * right.m10 + this.m02 * right.m20 + this.m03 * this.m30;
float m01 = this.m00 * right.m01 + this.m01 * right.m11 + this.m02 * right.m21 + this.m03 * this.m31;
float m02 = this.m00 * right.m02 + this.m01 * right.m12 + this.m02 * right.m22 + this.m03 * this.m32;
float m03 = this.m00 * right.m03 + this.m01 * right.m13 + this.m02 * right.m23 + this.m03 * this.m33;
float m10 = this.m10 * right.m00 + this.m11 * right.m10 + this.m12 * right.m20 + this.m13 * this.m30;
float m11 = this.m10 * right.m01 + this.m11 * right.m11 + this.m12 * right.m21 + this.m13 * this.m31;
float m12 = this.m10 * right.m02 + this.m11 * right.m12 + this.m12 * right.m22 + this.m13 * this.m32;
float m13 = this.m10 * right.m03 + this.m11 * right.m13 + this.m12 * right.m23 + this.m13 * this.m33;
float m20 = this.m20 * right.m00 + this.m21 * right.m10 + this.m22 * right.m20 + this.m23 * this.m30;
float m21 = this.m20 * right.m01 + this.m21 * right.m11 + this.m22 * right.m21 + this.m23 * this.m31;
float m22 = this.m20 * right.m02 + this.m21 * right.m12 + this.m22 * right.m22 + this.m23 * this.m32;
float m23 = this.m20 * right.m03 + this.m21 * right.m13 + this.m22 * right.m23 + this.m23 * this.m33;
float m30 = this.m30 * right.m00 + this.m31 * right.m10 + this.m32 * right.m20 + this.m33 * this.m30;
float m31 = this.m30 * right.m01 + this.m31 * right.m11 + this.m32 * right.m21 + this.m33 * this.m31;
float m32 = this.m30 * right.m02 + this.m31 * right.m12 + this.m32 * right.m22 + this.m33 * this.m32;
float m33 = this.m30 * right.m03 + this.m31 * right.m13 + this.m32 * right.m23 + this.m33 * this.m33;
target.m00 = m00;
target.m01 = m01;
target.m02 = m02;
target.m03 = m03;
target.m10 = m10;
target.m11 = m11;
target.m12 = m12;
target.m13 = m13;
target.m20 = m20;
target.m21 = m21;
target.m22 = m22;
target.m23 = m23;
target.m30 = m30;
target.m31 = m31;
target.m32 = m32;
target.m33 = m33;
return target;
}
public Vector4f transform(Vector4f in) {
return transform(in, in);
}
public Vector4f transform(Vector4f in, Vector4f target) {
float x = in.x * m00 + in.y * m01 + in.z * m02 + in.w * m03;
float y = in.x * m10 + in.y * m11 + in.z * m12 + in.w * m13;
float z = in.x * m20 + in.y * m21 + in.z * m22 + in.w * m23;
float w = in.x * m30 + in.y * m31 + in.z * m32 + in.w * m33;
target.x = x;
target.y = y;
target.z = z;
target.w = w;
return target;
}
public static Matrix4f scale(float factor) {
return scale(factor, factor, factor);
}
public static Matrix4f scale(float x, float y, float z) {
Matrix4f mat = new Matrix4f();
mat.m00 = x;
mat.m11 = y;
mat.m22 = z;
return mat;
}
public static Matrix4f translate(float x, float y, float z) {
Matrix4f mat = new Matrix4f();
mat.m03 = x;
mat.m13 = y;
mat.m23 = z;
return mat;
}
public static Matrix4f rotateX(float rad) {
float cos = (float)Math.cos(rad);
float sin = (float)Math.sin(rad);
return new Matrix4f(
1, 0, 0, 0,
0, cos, sin, 0,
0, -sin, cos, 0,
0, 0, 0, 1);
}
public static Matrix4f rotateY(float rad) {
float cos = (float)Math.cos(rad);
float sin = (float)Math.sin(rad);
return new Matrix4f(
cos, 0, -sin, 0,
0, 1, 0, 0,
sin, 0, cos, 0,
0, 0, 0, 1);
}
public static Matrix4f rotateZ(float rad) {
float cos = (float)Math.cos(rad);
float sin = (float)Math.sin(rad);
return new Matrix4f(
cos, -sin, 0, 0,
sin, cos, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1);
}
}
|
