glm.h in VisualCprogrammingOp


Visual C programming OpenGL chapter "source code with a special three-dimen...Original Link
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/*    
      glm.h
      Wavefront OBJ model file format reader/writer/manipulator.

      Includes routines for generating smooth normals with
      preservation of edges, welding redundant vertices & texture
      coordinate generation (spheremap and planar projections) + more.
 */
#include <windows.h>
#include <gl/gl.h>

#ifndef GL_MODEL

#define GL_MODEL

#ifndef M_PI
#define M_PI 3.14159265
#endif

#define GLM_NONE     (0)		/* render with only vertices */
#define GLM_FLAT     (1 << 0)		/* render with facet normals */
#define GLM_SMOOTH   (1 << 1)		/* render with vertex normals */
#define GLM_TEXTURE  (1 << 2)		/* render with texture coords */
#define GLM_COLOR    (1 << 3)		/* render with colors */
#define GLM_MATERIAL (1 << 4)		/* render with materials */


/* GLMmaterial: Structure that defines a material in a model. 
 */
typedef struct _GLMmaterial
{
  char* name;				/* name of material */
  GLfloat diffuse[4];			/* diffuse component */
  GLfloat ambient[4];			/* ambient component */
  GLfloat specular[4];			/* specular component */
  GLfloat emmissive[4];			/* emmissive component */
  GLfloat shininess;			/* specular exponent */
} GLMmaterial;

/* GLMtriangle: Structure that defines a triangle in a model.
 */
typedef struct _GLMtriangle {
  GLuint vindices[3];			/* array of triangle vertex indices */
  GLuint nindices[3];			/* array of triangle normal indices */
  GLuint tindices[3];			/* array of triangle texcoord indices*/
  GLuint findex;			/* index of triangle facet normal */
} GLMtriangle;

/* GLMgroup: Structure that defines a group in a model.
 */
typedef struct _GLMgroup {
  char*             name;		/* name of this group */
  GLuint            numtriangles;	/* number of triangles in this group */
  GLuint*           triangles;		/* array of triangle indices */
  GLuint            material;           /* index to material for group */
  struct _GLMgroup* next;		/* pointer to next group in model */
} GLMgroup;

/* GLMmodel: Structure that defin			

			...
			...
			... to be continued.

  This is a preview. To get the complete source file, 
  please click here to download the whole source code package.

			
			


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