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Mat4 tests

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bloeys
2021-11-05 07:39:55 +04:00
parent 61b2298cb1
commit 2bdd7b2d02
1 changed files with 153 additions and 0 deletions
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153
gglm/mat4_test.go
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@ -6,6 +6,159 @@ import (
"github.com/bloeys/gglm/gglm"
)
func TestMat4GetSet(t *testing.T) {
m1 := gglm.Mat4{}
m1.Set(0, 1, -10)
m1.Set(1, 0, 55)
m1.Set(2, 2, 99)
m1.Set(3, 3, 513)
if m1.Get(0, 1) != -10 {
t.Errorf("Got: %v; Expected: %v", m1.Get(0, 1), -10)
}
if m1.Get(1, 0) != 55 {
t.Errorf("Got: %v; Expected: %v", m1.Get(1, 0), 55)
}
if m1.Get(2, 2) != 99 {
t.Errorf("Got: %v; Expected: %v", m1.Get(2, 2), 99)
}
if m1.Get(3, 3) != 513 {
t.Errorf("Got: %v; Expected: %v", m1.Get(3, 3), 513)
}
}
func TestMat4Id(t *testing.T) {
correctAns := gglm.Mat4{
Data: [16]float32{
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1,
}}
m1 := gglm.NewMat4Id()
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestSubMat4(t *testing.T) {
correctAns := gglm.Mat4{
Data: [16]float32{
-16, -16, -16, -16,
-16, -16, -16, -16,
-16, -16, -16, -16,
-16, -16, -16, -16,
}}
m1 := &gglm.Mat4{
Data: [16]float32{
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16,
}}
m2 := &gglm.Mat4{
Data: [16]float32{
17, 18, 19, 20,
21, 22, 23, 24,
25, 26, 27, 28,
29, 30, 31, 32,
}}
result := gglm.SubMat4(m1, m2)
m1.Sub(m2)
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())
}
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestAddMat4(t *testing.T) {
correctAns := gglm.Mat4{
Data: [16]float32{
18, 20, 22, 24,
26, 28, 30, 32,
34, 36, 38, 40,
42, 44, 46, 48,
}}
m1 := &gglm.Mat4{
Data: [16]float32{
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16,
}}
m2 := &gglm.Mat4{
Data: [16]float32{
17, 18, 19, 20,
21, 22, 23, 24,
25, 26, 27, 28,
29, 30, 31, 32,
}}
result := gglm.AddMat4(m1, m2)
m1.Add(m2)
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())
}
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestMulMat4(t *testing.T) {
correctAns := gglm.Mat4{
Data: [16]float32{
250, 260, 270, 280,
618, 644, 670, 696,
986, 1028, 1070, 1112,
1354, 1412, 1470, 1528,
}}
m1 := &gglm.Mat4{
Data: [16]float32{
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16,
}}
m2 := &gglm.Mat4{
Data: [16]float32{
17, 18, 19, 20,
21, 22, 23, 24,
25, 26, 27, 28,
29, 30, 31, 32,
}}
result := gglm.MulMat4(m1, m2)
m1.Mul(m2)
if !result.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", result.String(), correctAns.String())
}
if !m1.Eq(&correctAns) {
t.Errorf("Got: %v; Expected: %v", m1.String(), correctAns.String())
}
}
func TestMulMat4Vec4(t *testing.T) {
m := &gglm.Mat4{