hasufell/half-edge
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Allow rotating back and forth

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hasufell 2014-05-12 19:49:52 +02:00
parent 366da0177c
commit 146223a144
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GPG Key ID: 220CD1C5BDEED020
1 changed files with 22 additions and 8 deletions
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30
src/gl_draw.c
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@ -57,7 +57,9 @@ HE_obj *obj;
/* /*
* static function declaration * static function declaration
*/ */
static void draw_obj(uint32_t xrot, uint32_t yrot, uint32_t zrot); static void draw_obj(int32_t const myxrot,
int32_t const myyrot,
int32_t const myzrot);
static void draw_Planet_1(void); static void draw_Planet_1(void);
static void draw_Planet_2(void); static void draw_Planet_2(void);
static void gl_destroy(void); static void gl_destroy(void);
@ -89,11 +91,11 @@ static void draw_vertices(HE_obj const * const obj)
* @param myyrot rotation increment around x-axis * @param myyrot rotation increment around x-axis
* @param myzrot rotation increment around x-axis * @param myzrot rotation increment around x-axis
*/ */
static void draw_obj(uint32_t const myxrot, static void draw_obj(int32_t const myxrot,
const uint32_t myyrot, int32_t const myyrot,
const uint32_t myzrot) int32_t const myzrot)
{ {
static uint32_t xrot = 0, static int32_t xrot = 0,
yrot = 0, yrot = 0,
zrot = 0; zrot = 0;
vector center_vert; vector center_vert;
@ -401,15 +403,27 @@ void keyboard(unsigned char key, int x, int y)
glutPostRedisplay(); glutPostRedisplay();
break; break;
case 'x': case 'x':
draw_obj(1, 0, 0); draw_obj(2, 0, 0);
glutPostRedisplay();
break;
case 'X':
draw_obj(-2, 0, 0);
glutPostRedisplay(); glutPostRedisplay();
break; break;
case 'y': case 'y':
draw_obj(0, 1, 0); draw_obj(0, 2, 0);
glutPostRedisplay();
break;
case 'Y':
draw_obj(0, -2, 0);
glutPostRedisplay(); glutPostRedisplay();
break; break;
case 'c': case 'c':
draw_obj(0, 0, 1); draw_obj(0, 0, 2);
glutPostRedisplay();
break;
case 'C':
draw_obj(0, 0, -2);
glutPostRedisplay(); glutPostRedisplay();
break; break;
case 'w': case 'w':