cube.c

Simple Cube plotting using frame buffers

#include "cube.h"
#include "vertex.h"
#include <stdint.h>

float cubeVB[32] __attribute__((aligned(16)));
vertexP cubeIB[12];
uint32_t posCnt = 32;
uint32_t ibCnt = 12;


int buildCube(void){
	vector float *cubePos = (vector float*)cubeVB;
	cubePos[0] = (vector float) {-1.0f, -1.0f, -1.0f, 1.0f};
	cubePos[1] = (vector float) {-1.0f, 1.0f, -1.0f, 1.0f};
	cubePos[2] = (vector float) {1.0f, 1.0f, -1.0f, 1.0f};
	cubePos[3] = (vector float) {1.0f, -1.0f, -1.0f, 1.0f};
	cubePos[4] = (vector float) {-1.0f, -1.0f, 1.0f, 1.0f};
	cubePos[5] = (vector float) {-1.0f, 1.0f, 1.0f, 1.0f};
	cubePos[6] = (vector float) {1.0f, 1.0f, 1.0f, 1.0f};
	cubePos[7] = (vector float) {1.0f, -1.0f, 1.0f, 1.0f};
	
	cubeIB[0].pos1 = 0; cubeIB[0].pos2 = 1; cubeIB[0].pos3 = 2;
	cubeIB[1].pos1 = 0; cubeIB[1].pos2 = 2; cubeIB[1].pos3 = 3;
	  
	cubeIB[2].pos1 = 4; cubeIB[2].pos2 = 6; cubeIB[2].pos3 = 5;
	cubeIB[3].pos1 = 4; cubeIB[3].pos2 = 7; cubeIB[3].pos3 = 6;

	cubeIB[4].pos1 = 4; cubeIB[4].pos2 = 5; cubeIB[4].pos3 = 1;
	cubeIB[5].pos1 = 4; cubeIB[5].pos2 = 1; cubeIB[5].pos3 = 0;

	cubeIB[6].pos1 = 3; cubeIB[6].pos2 = 2; cubeIB[6].pos3 = 6;
	cubeIB[7].pos1 = 3; cubeIB[7].pos2 = 6; cubeIB[7].pos3 = 7;

	cubeIB[8].pos1 = 1; cubeIB[8].pos2 = 5; cubeIB[8].pos3 = 6;
	cubeIB[9].pos1 = 1; cubeIB[9].pos2 = 6; cubeIB[9].pos3 = 2;

	cubeIB[10].pos1 = 4; cubeIB[10].pos2 = 0; cubeIB[10].pos3 = 3;
	cubeIB[11].pos1 = 4; cubeIB[11].pos2 = 3; cubeIB[11].pos3 = 7;
	
	return 0;
}