def reset(self):
tangent = math.tan(self.FIELD_OF_VIEW_IN_DEGREES / 2.0 / 180.0 *
math.pi)
distanceFromTarget = self.sceneRadius / tangent
self.position = Point3D(0, 0, distanceFromTarget)
# print(self.position)
self.target = Point3D(0, 0, 0)
# print(self.target)
self.up = self.ground.returnCopy()
t2p = self.position - self.target
M1 = Matrix4x4.rotationAroundOrigin(np.pi / 3, Vector3D(1, 0, 0))
# print('M1',M1)
# M2 = Matrix4x4.rotationAroundOrigin( np.pi/2, Vector3D(1,0,0) )
# print(M2)
M3 = Matrix4x4.rotationAroundOrigin(-np.pi / 6, Vector3D(0, 1, 0))
# print('M3',M3)
# t2p = M2 * t2p
# t2p = M1 * t2p
# M_temp = Matrix4x4()
# M_temp.m = [ 0.0, 0.0, -1.0, 0.0,
# -1.0, 0.0, 0.0, 0.0,
# 0.0, 1.0, 0.0, 0.0,
# 0.0, 0.0, 0.0, 1.0 ]
t2p = M1 * t2p
t2p = M3 * t2p
self.position = self.target + t2p
self.ground = Vector3D(0, 0, 1)
def orbit(self, old_x_pixels, old_y_pixels, new_x_pixels, new_y_pixels):
pixelsPerDegree = self.viewportRadiusInPixels / float(self.ORBITING_SPEED_IN_DEGREES_PER_RADIUS_OF_VIEWPORT)
radiansPerPixel = 1.0 / pixelsPerDegree * math.pi / 180.0
t2p = self.position - self.target
M = Matrix4x4.rotationAroundOrigin((old_x_pixels - new_x_pixels) * radiansPerPixel, self.ground)
t2p = M * t2p
self.up = M * self.up
right = (self.up ^ t2p).normalized()
M = Matrix4x4.rotationAroundOrigin((old_y_pixels - new_y_pixels) * radiansPerPixel, right)
t2p = M * t2p
self.up = M * self.up
self.position = self.target + t2p
def orbit(self,old_x_pixels,old_y_pixels,new_x_pixels,new_y_pixels):
pixelsPerDegree = self.viewportRadiusInPixels / float(self.ORBITING_SPEED_IN_DEGREES_PER_RADIUS_OF_VIEWPORT)
radiansPerPixel = 1.0 / pixelsPerDegree * math.pi / 180.0
t2p = self.position - self.target
M = Matrix4x4.rotationAroundOrigin( (old_x_pixels - new_x_pixels) * radiansPerPixel, self.ground )
t2p = M * t2p
self.up = M * self.up
right = (self.up ^ t2p).normalized()
M = Matrix4x4.rotationAroundOrigin( (old_y_pixels - new_y_pixels) * radiansPerPixel, right )
t2p = M * t2p
self.up = M * self.up
self.position = self.target + t2p
def transform(self):
tangent = math.tan( self.FIELD_OF_VIEW_IN_DEGREES/2.0 / 180.0 * math.pi )
viewportRadius = self.nearPlane * tangent
if self.viewportWidthInPixels < self.viewportHeightInPixels:
viewportWidth = 2.0*viewportRadius
viewportHeight = viewportWidth * self.viewportHeightInPixels / float(self.viewportWidthInPixels)
else:
viewportHeight = 2.0*viewportRadius
viewportWidth = viewportHeight * self.viewportWidthInPixels / float(self.viewportHeightInPixels)
glFrustum(
- 0.5 * viewportWidth, 0.5 * viewportWidth, # left, right
- 0.5 * viewportHeight, 0.5 * viewportHeight, # bottom, top
self.nearPlane, self.farPlane
)
M = Matrix4x4.lookAt(self.position, self.target, self.up, False)
glMultMatrixf(M.get())
def transform(self):
tangent = math.tan( self.FIELD_OF_VIEW_IN_DEGREES/2.0 / 180.0 * math.pi )
viewportRadius = self.nearPlane * tangent
if self.viewportWidthInPixels < self.viewportHeightInPixels:
viewportWidth = 2.0*viewportRadius
viewportHeight = viewportWidth * self.viewportHeightInPixels / float(self.viewportWidthInPixels)
else:
viewportHeight = 2.0*viewportRadius
viewportWidth = viewportHeight * self.viewportWidthInPixels / float(self.viewportHeightInPixels)
glFrustum(
- 0.5 * viewportWidth, 0.5 * viewportWidth, # left, right
- 0.5 * viewportHeight, 0.5 * viewportHeight, # bottom, top
self.nearPlane, self.farPlane
)
M = Matrix4x4.lookAt(self.position, self.target, self.up, False)
glMultMatrixf(M.get())
