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| author | MatejaMaric <matejamaricz@gmail.com> | 2019-07-09 00:26:42 +0200 |
|---|---|---|
| committer | MatejaMaric <matejamaricz@gmail.com> | 2019-07-09 00:26:42 +0200 |
| commit | a7c9aeee1e68235af406e30654e4b2e5f0f7fda2 (patch) | |
| tree | 492e4860bf17d196b5a79a83004aec217e69cf1e /source/Vector4f.cpp | |
| download | erender-a7c9aeee1e68235af406e30654e4b2e5f0f7fda2.tar.gz erender-a7c9aeee1e68235af406e30654e4b2e5f0f7fda2.zip | |
First commit
Diffstat (limited to 'source/Vector4f.cpp')
| -rw-r--r-- | source/Vector4f.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/source/Vector4f.cpp b/source/Vector4f.cpp new file mode 100644 index 0000000..506dc22 --- /dev/null +++ b/source/Vector4f.cpp @@ -0,0 +1,32 @@ +#include "Vector4f.h"
+
+Vector4f::Vector4f() {}
+
+Vector4f::Vector4f(float x_, float y_, float z_, float w_)
+{
+ x = x_;
+ y = y_;
+ z = z_;
+ w = w_;
+}
+
+float Vector4f::dotProduct(const Vector4f& a)
+{
+ return ((x * a.x) + (y * a.y) + (z * a.z));
+}
+
+Vector4f Vector4f::crossProduct(const Vector4f& a)
+{
+ return Vector4f((y * a.z - z * a.y), (z * a.x - x * a.z), (x * a.y - y * a.x), (w * a.w));
+}
+
+Vector4f Vector4f::multiplyMatrix(const Matrix4f& a)
+{
+ float x1, y1, z1, w1;
+ x1 = ((x * a.m[0][0]) + (y * a.m[0][1]) + (z * a.m[0][2]) + (w * a.m[0][3]));
+ y1 = ((x * a.m[1][0]) + (y * a.m[1][1]) + (z * a.m[1][2]) + (w * a.m[1][3]));
+ z1 = ((x * a.m[2][0]) + (y * a.m[2][1]) + (z * a.m[2][2]) + (w * a.m[2][3]));
+ w1 = ((x * a.m[3][0]) + (y * a.m[3][1]) + (z * a.m[3][2]) + (w * a.m[3][3]));
+ return Vector4f(x1, y1, z1, w1);
+}
+
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