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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/Vertice.cpp | |
| download | erender-a7c9aeee1e68235af406e30654e4b2e5f0f7fda2.tar.gz erender-a7c9aeee1e68235af406e30654e4b2e5f0f7fda2.zip | |
First commit
Diffstat (limited to 'source/Vertice.cpp')
| -rw-r--r-- | source/Vertice.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/source/Vertice.cpp b/source/Vertice.cpp new file mode 100644 index 0000000..022c477 --- /dev/null +++ b/source/Vertice.cpp @@ -0,0 +1,46 @@ +#include "Vertice.h"
+
+Vertice::Vertice() : Vector4f() {}
+
+Vertice::Vertice(float x_, float y_, float z_, float u_, float v_) : Vector4f (x_, y_, z_, 1)
+{
+ u = u_;
+ v = v_;
+}
+
+Vertice::Vertice(float x_, float y_, float z_, float w_, float u_, float v_) : Vector4f(x_, y_, z_, w_)
+{
+ u = u_;
+ v = v_;
+}
+
+void Vertice::screenspace(int screenWidth, int screenHeight)
+{
+ x = round(((x + 1.0f) / 2.0f) * screenWidth);
+ y = round(((-y + 1.0f) / 2.0f) * screenHeight);
+}
+
+Vertice Vertice::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 Vertice(x1, y1, z1, w1, u, v);
+}
+
+Vertice& Vertice::operator=(const Vector4f& a)
+{
+ x = a.x;
+ y = a.y;
+ z = a.z;
+ w = a.w;
+ return *this;
+}
+
+Vertice Vertice::divideW()
+{
+ float rw = 1.0f / w;
+ return Vertice(x * rw, y * rw, (z * rw), rw, u * rw, v * rw);
+}
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