def rotation_z(self, theta=0):
"""
Rotate model.
:param theta:
:return:
"""
self._model = _tr.matmul([_tr.rotation_z(theta), self._model])
def uniform_scale(self, s=1):
"""
Uniform scale model.
:param s:
:return:
"""
self._model = _tr.matmul([_tr.uniform_scale(s), self._model])
def apply_temporal_transform(self, t):
"""
Apply temporal transform to model until drawing.
:param t:
:return:
"""
self._modelPrev = self._model
self._model = _tr.matmul([t, self._model])
def rotation_a(self, theta, axis):
"""
Rotate model.
:param theta:
:param axis:
:return:
"""
self._model = _tr.matmul([_tr.rotation_a(theta, axis), self._model])
def scale(self, sx=1, sy=1, sz=1):
"""
Scale model.
:param sx:
:param sy:
:param sz:
:return:
"""
self._model = _tr.matmul([_tr.scale(sx, sy, sz), self._model])
def translate(self, tx=0, ty=0, tz=0):
"""
Translate model.
:param tx:
:param ty:
:param tz:
:return:
"""
self._model = _tr.matmul([_tr.translate(tx, ty, tz), self._model])
def shearing(self, xy=0, yx=0, xz=0, zx=0, yz=0, zy=0):
"""
Apply shear to model.
:param xy:
:param yx:
:param xz:
:param zx:
:param yz:
:param zy:
:return:
"""
self._model = _tr.matmul([_tr.shearing(xy, yx, xz, zx, yz, zy), self._model])
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
# Clearing the screen in both, color and depth
glClear(GL_COLOR_BUFFER_BIT)
theta = glfw.get_time()
tx = 0.7 * np.sin(0.5 * theta)
ty = 0.2 * np.sin(5 * theta)
# Derivative of tx give us the direction
dtx = 0.7 * 0.5 * np.cos(0.5 * theta)
if dtx > 0:
reflex = tr.scale(-1, 1, 1)
else:
reflex = tr.identity()
# Create booObj transformation
booT = tr.matmul(
[tr.translate(tx, ty, 0),
tr.scale(0.5, 0.5, 1.0), reflex])
obj_boo.apply_temporal_transform(booT)
# Draw shapes
obj_boo.draw()
obj_question.draw()
# Once the render is done, buffers are swapped, showing only the complete scene.
glfw.swap_buffers(window)
glfw.terminate()