1 files changed, 104 insertions, 0 deletions
diff --git a/src/cWiremesh.h b/src/cWiremesh.h
new file mode 100644
index 0000000..82d3bd6
--- /dev/null
+++ b/src/cWiremesh.h
@@ -0,0 +1,104 @@
+#pragma once
+
+#include <vector>
+#include <cmath>
+
+#include "cRender.h"
+
+#define _DEPTH 99
+#define PI 3.14159265
+
+struct sCoord3d
+{
+  int x;
+  int y;
+  int z;
+
+  sCoord3d operator+(sCoord3d p)
+  {
+    sCoord3d ret;
+    ret.x = x + p.x;
+    ret.y = y + p.y;
+    ret.z = z + p.z;
+    return ret;
+  }
+
+  sCoord3d operator-(sCoord3d p)
+  {
+    sCoord3d ret;
+    ret.x = x - p.x;
+    ret.y = y - p.y;
+    ret.z = z - p.z;
+    return ret;
+  }
+};
+
+struct sVector
+{
+  sCoord3d origin;
+  sCoord3d direction;
+
+  char c;
+  WORD color;
+};
+
+/**
+* cWiremesh stores 3D objects as multiple vectors. it can write itself on a cRender framebuffer.
+*/
+class cWiremesh
+{
+public:
+
+  cWiremesh();
+
+  virtual ~cWiremesh();
+
+  /**
+  * Add a line from _origin to (_origin + _vector) in 3D space.
+  */
+  void addVector(sCoord3d _origin, sCoord3d _vector, char _char, WORD _color);
+
+  /**
+  * Rotates by (x,y,z) degrees around the corresponding axis.
+  * Rotation is stored seperatately from original vectors while they stay untouched to prevent growing rounding errors by repeated rotation.
+  *
+  * Rotation is applied relative to the origin of this wiremsh.
+  */
+  void rotate(sCoord3d _val);
+
+  /**
+  * Scales by _scalar. The scalar is directly applied to all vectors. Be wary of growing rounding errors!
+  */
+  void scale(float _scalar);
+
+  sCoord3d getPosition();
+
+  void setPosition(int _x, int _y, int _z);
+
+  void setPosition(sCoord3d _pos);
+
+  /**
+  * clear this wiremesh
+  */
+  void reset();
+
+  /**
+  * Translates wiremesh into 2D space after applying rotation to each vector.
+  * The vanishing point is set to the center of _render with depth _DEPTH. Alter _DEPTH to achieve optimal resultst.
+  */
+  void write(cRender *_render);
+
+protected:
+
+private:
+
+  sPos translate(sCoord3d _coord, sCoord3d _origin);
+
+  sCoord3d applyRotation(sCoord3d _vector, sCoord3d _angle);
+
+  sCoord3d position;
+
+  sCoord3d angle;
+
+  std::vector<sVector> vectors;
+};