Ejemplo n.º 1
0
vec3_t anm_get_node_scaling(struct anm_node *node, anm_time_t tm)
{
    vec3_t v;
    anm_time_t tm0 = animation_time(node, tm, 0);
    struct anm_animation *anim0 = anm_get_active_animation(node, 0);
    struct anm_animation *anim1 = anm_get_active_animation(node, 1);

    if(!anim0) {
        return v3_cons(1, 1, 1);
    }

    v.x = anm_get_value(anim0->tracks + ANM_TRACK_SCL_X, tm0);
    v.y = anm_get_value(anim0->tracks + ANM_TRACK_SCL_Y, tm0);
    v.z = anm_get_value(anim0->tracks + ANM_TRACK_SCL_Z, tm0);

    if(anim1) {
        vec3_t v1;
        anm_time_t tm1 = animation_time(node, tm, 1);
        v1.x = anm_get_value(anim1->tracks + ANM_TRACK_SCL_X, tm1);
        v1.y = anm_get_value(anim1->tracks + ANM_TRACK_SCL_Y, tm1);
        v1.z = anm_get_value(anim1->tracks + ANM_TRACK_SCL_Z, tm1);

        v.x = v.x + (v1.x - v.x) * node->cur_mix;
        v.y = v.y + (v1.y - v.y) * node->cur_mix;
        v.z = v.z + (v1.z - v.z) * node->cur_mix;
    }

    return v;
}
Ejemplo n.º 2
0
void sbbut(int bn, int state)
{
  if(state == GLUT_DOWN) {
    pos = v3_cons(0, 0, -6);
    rot = quat_cons(1, 0, 0, 0);
    glutPostRedisplay();
  }
}
Ejemplo n.º 3
0
scalar_t noise3(scalar_t x, scalar_t y, scalar_t z)
{
	int i, j;
	int bx0, bx1, by0, by1, bz0, bz1;
	int b00, b10, b01, b11;
	scalar_t rx0, rx1, ry0, ry1, rz0, rz1;
	scalar_t sx, sy, sz;
	scalar_t u, v, a, b, c, d;

	if(!tables_valid) {
		init_noise();
		tables_valid = 1;
	}

	setup(x, bx0, bx1, rx0, rx1);
	setup(y, by0, by1, ry0, ry1);
	setup(z, bz0, bz1, rz0, rz1);

	i = perm[bx0];
	j = perm[bx1];

	b00 = perm[i + by0];
	b10 = perm[j + by0];
	b01 = perm[i + by1];
	b11 = perm[j + by1];

	/* calculate hermite interpolating factors */
	sx = s_curve(rx0);
	sy = s_curve(ry0);
	sz = s_curve(rz0);

	/* interpolate along the top slice of the cell */
	u = v3_dot(grad3[b00 + bz0], v3_cons(rx0, ry0, rz0));
	v = v3_dot(grad3[b10 + bz0], v3_cons(rx1, ry0, rz0));
	a = lerp(u, v, sx);

	u = v3_dot(grad3[b01 + bz0], v3_cons(rx0, ry1, rz0));
	v = v3_dot(grad3[b11 + bz0], v3_cons(rx1, ry1, rz0));
	b = lerp(u, v, sx);

	c = lerp(a, b, sy);

	/* interpolate along the bottom slice of the cell */
	u = v3_dot(grad3[b00 + bz0], v3_cons(rx0, ry0, rz1));
	v = v3_dot(grad3[b10 + bz0], v3_cons(rx1, ry0, rz1));
	a = lerp(u, v, sx);

	u = v3_dot(grad3[b01 + bz0], v3_cons(rx0, ry1, rz1));
	v = v3_dot(grad3[b11 + bz0], v3_cons(rx1, ry1, rz1));
	b = lerp(u, v, sx);

	d = lerp(a, b, sy);

	/* interpolate between slices */
	return lerp(c, d, sz);
}
Ejemplo n.º 4
0
void keyb(unsigned char key, int x, int y)
{
  switch(key) {
  case 'q':
  case 'Q':
  case 27:
    exit(0);

  case ' ':
    /* reset initial view */
    pos = v3_cons(0, 0, -6);
    rot = quat_cons(1, 0, 0, 0);
    glutPostRedisplay();

  default:
    break;
  }
}