charles/src/basics.h

/* basics.h
 *
 * Declaration of basic types: Vector.
 *
 * Eryn Wells <eryn@erynwells.me>
 */


#ifndef __BASICS_H
#define __BASICS_H


typedef struct {
    float x, y, z;
} Vector3;


extern const Vector3 ZeroVector3;


Vector3 vector_init(float x, float y, float z);
Vector3 vector_mult_scalar(Vector3 v, float f);
Vector3 vector_mult_vector(Vector3 v, Vector3 f);
float vector_length2(Vector3 v);
float vector_length(Vector3 v);
Vector3 vector_normalize(Vector3 v);


typedef struct {
    float x, y;
    float w, h;
} Rect;

Rect rect_init(float x, float y, float h, float w);


#endif