void GLCam_FPS_Init(GLCam_FPS_T * cam)
{
int i;
for(i = 0; i < e_fck_count; i ++)
{
cam->key_states[i] = 0;
}
cam->mouse_dx = 0;
cam->mouse_dy = 0;
Vector3D_Set(&cam->pos, 0, 0, 0);
cam->yaw = 0;
cam->pitch = 0;
}
int main(int argc, char* argv[])
{
int i, j, k, Imin, Imax;
int WPixelPERUnit = 400;
int HPixelPERUnit = 400;
int Width = 600;
int Height = 400;
//int Width = 100;
//int Height = 100;
RGBColor color;
Vector3D ray, t;
Point2D p;
int info;
char* objstring;
float cosine;
char filename[256];
assert(argc == 4);
Imin = atoi(argv[1]);
Imax = atoi(argv[2]);
if ( argv[3][0] == 'r')
{
rotate = CAM_RotateRight;
}
else
{
rotate = CAM_RotateUp;
}
Camera* camera = CAM_Create(Width, Height, WPixelPERUnit, HPixelPERUnit);
objstring = objstring_bunny;
VList* vlist = OBJ_VList(objstring);
FList* flist = OBJ_FList(objstring);
FList_NormalizeVN(vlist, flist);
FList_TriangleBoundingBox(vlist, flist);
FList_TriangleBaryCoord(vlist, flist);
FList_BoundingBox(flist);
Vector3D position;
Vector3D_Set(&position, VEC3TAK(flist->bbox[2], 0), VEC3TAK(flist->bbox[2], 1), VEC3TAK(flist->bbox[2], 2)-0.2);
TCIMG_Clear(camera->image);
CAM_SetAllFromPositionLookat(camera, &position, &flist->bbox[2]);
CAM_CompuWRL2CAM(camera);
CAM_RotateRight(camera, (float)-M_PI/2.0f);
CAM_CompuWRL2CAM(camera);
RGBColor_Set(&color, 255, 255, 0);
RGBColor xcolor;
TCIMG_SetPenColor(camera->image, &color);
int iter = 0;
for (iter = 0; iter <= 1000; ++iter)
{
rotate(camera, 2.0f*M_PI/1000.0f);
CAM_CompuWRL2CAM(camera);
FList_UpdateFaceBboxshift(flist, camera->position);
TCIMG_Clear(camera->image);
TCIMG_Depth_Clear(camera->image);
printf("iter = %d\n", iter);
if (iter < Imin || iter > Imax) continue;
for (i = 0; i < Width; ++i)
{
p.x = i;
for (j = 0; j < Height; ++j)
{
p.y = j;
CAM_Pixel2Ray(camera, i, j, &ray);
Vector3D_Normalize(&ray);
cosine = (VEC3TAK(ray,0)*VEC3TAK(ray,0)+VEC3TAK(ray,1)*VEC3TAK(ray,1)) / Vector3D_NormSquare(&ray);
xcolor.r = (unsigned char)(127*cosine);
xcolor.g = (unsigned char)(153*cosine);
xcolor.b = (unsigned char)(255*cosine);
TCIMG_SetPixelColor(camera->image, &p, &xcolor);
info = GEOMET_RayFListBoundingBox(&ray, flist);
if (info)
{
for (k = 0; k < flist->len; k++)
{
info = GEOMET_RayTriangle(vlist, &flist->f[k], camera->position, &ray, &t);
if (info)
{
cosine = Vector3D_InnerProduct(&flist->f[k].vn, &ray);
RGBColor_Scale(&color, fabs(cosine*cosine*cosine), &xcolor);
TCIMG_Depth_SetPixelColor(camera->image, &p, &xcolor, VEC3TAK(t, 0));
}
}
}
}
if (!(i%10)) printf("i = %d\n", i);
}
sprintf(filename, "%04d.bmp", iter);
TCIMG_SaveToFile(camera->image, filename);
}
CAM_Destroy(camera);
VList_Destroy(vlist);
FList_Destroy(flist);
return 0;
}
