37 lines
786 B
C
37 lines
786 B
C
|
|
#ifndef _VEC3D_H
|
|
#define _VEC3D_H
|
|
|
|
#include "vecops.h"
|
|
|
|
typedef struct {
|
|
sbyte m[3][3];
|
|
} Matrix;
|
|
|
|
typedef struct {
|
|
sbyte x,y,z;
|
|
} Vector8;
|
|
|
|
typedef struct {
|
|
int x,y,z;
|
|
} Vector16;
|
|
|
|
typedef struct {
|
|
byte numverts;
|
|
const Vector8* verts; // array of vertices
|
|
const sbyte* edges; // array of vertex indices (edges)
|
|
} Wireframe;
|
|
|
|
extern const Matrix IDENTITY;
|
|
|
|
void mat_identity(Matrix* m);
|
|
void vec_mat_transform(Vector16* dest, const Vector8* v, const Matrix* m);
|
|
sbyte isin(byte x0);
|
|
sbyte icos(byte x);
|
|
void mat_rotate(Matrix* m, byte axis, byte angle);
|
|
void xform_vertices(Vector16* dest, const Vector8* src, const Matrix* m, byte nv);
|
|
void draw_wireframe(const Wireframe* wf, Vector16* scrnverts);
|
|
void draw_wireframe_ortho(const Wireframe* wf, const Matrix* m);
|
|
|
|
#endif
|