56 lines
955 B
C
Executable File
56 lines
955 B
C
Executable File
#include "main.h"
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#include <GL/glew.h>
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#include <stdlib.h>
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struct obj
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{
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unsigned int vertex, vao, vbo;
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};
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mesh_t create_mesh( narray_float_t mesh )
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{
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struct obj * p;
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p=malloc(sizeof(struct obj));
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p->vertex=(*mesh)/3;
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glGenVertexArrays( 1, &p->vao );
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glGenBuffers( 1, &p->vbo );
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glBindVertexArray( p->vao );
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glBindBuffer( GL_ARRAY_BUFFER, p->vbo );
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glBufferData( GL_ARRAY_BUFFER, (p->vertex*3)*sizeof(int), mesh+1,
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GL_STATIC_DRAW );
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glVertexAttribPointer( 0,3,GL_FLOAT, 0, 3*sizeof(int), NULL );
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glEnableVertexAttribArray(0);
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return p;
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}
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void destroy_mesh( mesh_t p )
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{
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struct obj * obj ;
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obj = p;
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glDeleteVertexArrays( 1, &obj->vao );
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glDeleteBuffers( 1, &obj->vbo );
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free( p );
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}
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void draw_mesh( mesh_t p )
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{
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struct obj * obj=p;
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glBindVertexArray( obj->vao );
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#ifdef DEBUG
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{
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int i;
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for( i=0; i<obj->vertex;i+=3 )
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glDrawArrays(GL_LINE_LOOP, i, 3 );
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}
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#else
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glDrawArrays(GL_TRIANGLES, 0, obj->vertex );
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#endif
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}
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