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| author | Mateja <mail@matejamaric.com> | 2020-12-27 00:09:34 +0100 |
|---|---|---|
| committer | Mateja <mail@matejamaric.com> | 2020-12-27 00:09:34 +0100 |
| commit | 0a2da4f82435a49212e276d9d603e84ac298246d (patch) | |
| tree | 1fea3b94712df18d1229f4f3492b540c90f6f302 /src/Vector4f.cpp | |
| parent | a84debff887c3e3d930665db140b7a287d3879d4 (diff) | |
| download | erender-0a2da4f82435a49212e276d9d603e84ac298246d.tar.gz erender-0a2da4f82435a49212e276d9d603e84ac298246d.zip | |
Reorganize entire project.
Diffstat (limited to 'src/Vector4f.cpp')
| -rw-r--r-- | src/Vector4f.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/Vector4f.cpp b/src/Vector4f.cpp new file mode 100644 index 0000000..506dc22 --- /dev/null +++ b/src/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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