mgdl-light.h

#pragma once
 
#include "mgdl-types.h"
#include "mgdl-color.h"
#include "mgdl-opengl.h"
 
enum LightType
{
    Point,
    Spot,
    Directional
};
typedef enum LightType LightType;
 
/* Representes a light in a 3D scene.
 * Contains color and light properties
 */
struct Light
{
    float intensity;
    LightType type;
    float spotHalfAngle;
    float constantAttenuation;
    float LinearAttenuation;
    float QuadraticAttenuation;
    const char* name;
 
    //
    GLfloat position[4];
    GLfloat direction[4];
    GLfloat diffuse[4];
    GLfloat specular[4];
    GLfloat ambient[4];
 
    GLint glIndex;
};
 
typedef struct Light Light;
 
#ifdef __cplusplus
extern "C"
{
#endif
 
    Light* Light_Create(void);
    void Light_SetPosition(Light* light, V3f position);
    void Light_SetDirection(Light* light, V3f direction);
    void Light_SetColor(Light* light, Color4f* color);
    void Light_SetAmbientColor(Light* light, Color4f* color);
    void Light_Enable(Light* light);
    void Light_Disable(Light* light);
    void Light_Apply(Light* light);
 
    V3f Light_GetDirection(Light* light);
 
 
#ifdef __cplusplus
}
#endif