def step(self):
touch = core.singleTouch()
if touch is not None:
self.frame.position = vmath.vec3(touch['org_x'], touch['org_y'], 0)
self.button.position = vmath.vec3(touch['cur_x'], touch['cur_y'],
10)
else:
self.frame.position = vmath.vec3(0, 1000, 0)
self.button.position = vmath.vec3(0, 1000, 10)
camera = core.camera("cam01")
camera.orthographicProjection = True
camera.position = (0, 0, 100)
# what you want to draw should be registered in showcase
showcase = core.showcase("case01")
showcase.add(ship)
goal = vmath.vec2(0, 0)
pos = vmath.vec2(0, 0)
dir = vmath.vec2(0, 1)
loop = True
while loop:
core.update()
touch = core.singleTouch()
if touch is not None:
goal = vmath.vec2(touch['cur_x'], touch['cur_y'])
d = goal - pos
dist = vmath.length(d)
d = vmath.normalize(d)
r = vmath.dot(d, dir)
if r < 0.98:
n = vmath.cross(d, dir)
if n > 0:
rot = vmath.mat_rotation(-5.0 * core.getElapsedTime(), 2)
else:
rot = vmath.mat_rotation(5.0 * core.getElapsedTime(), 2)
dir = rot * dir
