Lines Matching refs:z
74 a.z = points[i].z - points[i - 1].z; in rt_polycylinder()
89 yoff = ctr.z - (wy / 2.0); in rt_heightfield()
96 v0.z = wy * (yy) / (n * 1.0) + yoff; in rt_heightfield()
100 v1.z = wy * (yy) / (n * 1.0) + yoff; in rt_heightfield()
104 v2.z = wy * (yy + 1) / (n * 1.0) + yoff; in rt_heightfield()
110 v0.z = wy * (yy) / (n * 1.0) + yoff; in rt_heightfield()
114 v1.z = wy * (yy + 1) / (n * 1.0) + yoff; in rt_heightfield()
118 v2.z = wy * (yy + 1) / (n * 1.0) + yoff; in rt_heightfield()
137 offset.y = ctr.z - (wy / 2.0); in rt_sheightfield()
138 offset.z = ctr.y; in rt_sheightfield()
148 rt_vector(x * xinc + offset.x, field[addr] + offset.z, y * yinc + offset.y); in rt_sheightfield()