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plot_controller.py
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plot_controller.py
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from pyglet.window import key
from pyglet.window.mouse import LEFT, RIGHT, MIDDLE
from util import get_direction_vectors, get_basis_vectors
class PlotController(object):
normal_mouse_sensitivity = 4.0
modified_mouse_sensitivity = 1.0
normal_key_sensitivity = 160.0
modified_key_sensitivity = 40.0
keymap = {
key.LEFT:'left',
key.A:'left',
key.NUM_4:'left',
key.RIGHT:'right',
key.D:'right',
key.NUM_6:'right',
key.UP:'up',
key.W:'up',
key.NUM_8:'up',
key.DOWN:'down',
key.S:'down',
key.NUM_2:'down',
key.Z:'rotate_z_neg',
key.NUM_1:'rotate_z_neg',
key.C:'rotate_z_pos',
key.NUM_3:'rotate_z_pos',
key.Q:'spin_left',
key.NUM_7:'spin_left',
key.E:'spin_right',
key.NUM_9:'spin_right',
key.X:'reset_camera',
key.NUM_5:'reset_camera',
key.NUM_ADD:'zoom_in',
key.PAGEUP:'zoom_in',
key.R:'zoom_in',
key.NUM_SUBTRACT:'zoom_out',
key.PAGEDOWN:'zoom_out',
key.F:'zoom_out',
key.RSHIFT:'modify_sensitivity',
key.LSHIFT:'modify_sensitivity',
key.F1:'rot_preset_xy',
key.F2:'rot_preset_xz',
key.F3:'rot_preset_yz',
key.F4:'rot_preset_perspective',
key.F5:'toggle_axes',
key.F6:'toggle_axe_colors',
key.F8:'save_image'
}
def __init__(self, window, **kwargs):
self.invert_mouse_zoom = kwargs.pop('invert_mouse_zoom', False)
self.window = window
self.camera = window.camera
self.action = {
# Rotation around the view Y (up) vector
'left':False,
'right':False,
# Rotation around the view X vector
'up':False,
'down':False,
# Rotation around the view Z vector
'spin_left':False,
'spin_right':False,
# Rotation around the model Z vector
'rotate_z_neg':False,
'rotate_z_pos':False,
# Reset to the default rotation
'reset_camera':False,
# Performs camera z-translation
'zoom_in':False,
'zoom_out':False,
# Use alternative sensitivity (speed)
'modify_sensitivity':False,
# Rotation presets
'rot_preset_xy':False,
'rot_preset_xz':False,
'rot_preset_yz':False,
'rot_preset_perspective':False,
# axes
'toggle_axes':False,
'toggle_axe_colors':False,
# screenshot
'save_image':False
}
def update(self, dt):
z = 0
if self.action['zoom_out']: z -= 1
if self.action['zoom_in']: z += 1
if z != 0:
self.camera.zoom_relative(z/10.0, self.get_key_sensitivity()/10.0)
dx, dy, dz = 0, 0, 0
if self.action['left']: dx -= 1
if self.action['right']: dx += 1
if self.action['up']: dy -= 1
if self.action['down']: dy += 1
if self.action['spin_left']: dz += 1
if self.action['spin_right']: dz -= 1
if not self.is_2D():
if dx != 0:
self.camera.euler_rotate(dx*dt*self.get_key_sensitivity(), *(get_direction_vectors()[1]))
if dy != 0:
self.camera.euler_rotate(dy*dt*self.get_key_sensitivity(), *(get_direction_vectors()[0]))
if dz != 0:
self.camera.euler_rotate(dz*dt*self.get_key_sensitivity(), *(get_direction_vectors()[2]))
else:
self.camera.mouse_translate(0, 0, dx*dt*self.get_key_sensitivity(), -dy*dt*self.get_key_sensitivity())
rz = 0
if self.action['rotate_z_neg'] and not self.is_2D(): rz -= 1
if self.action['rotate_z_pos'] and not self.is_2D(): rz += 1
if rz != 0:
self.camera.euler_rotate(rz*dt*self.get_key_sensitivity(), *(get_basis_vectors()[2]))
if self.action['reset_camera']:
self.camera.reset()
if self.action['rot_preset_xy']:
self.camera.set_rot_preset('xy')
if self.action['rot_preset_xz']:
self.camera.set_rot_preset('xz')
if self.action['rot_preset_yz']:
self.camera.set_rot_preset('yz')
if self.action['rot_preset_perspective']:
self.camera.set_rot_preset('perspective')
if self.action['toggle_axes']:
self.action['toggle_axes'] = False
self.camera.axes.toggle_visible()
if self.action['toggle_axe_colors']:
self.action['toggle_axe_colors'] = False
self.camera.axes.toggle_colors()
if self.action['save_image']:
self.action['save_image'] = False
self.window.plot.saveimage()
return True
def get_mouse_sensitivity(self):
if self.action['modify_sensitivity']:
return self.modified_mouse_sensitivity
else:
return self.normal_mouse_sensitivity
def get_key_sensitivity(self):
if self.action['modify_sensitivity']:
return self.modified_key_sensitivity
else:
return self.normal_key_sensitivity
def on_key_press(self, symbol, modifiers):
if symbol in self.keymap:
self.action[self.keymap[symbol]] = True
def on_key_release(self, symbol, modifiers):
if symbol in self.keymap:
self.action[self.keymap[symbol]] = False
def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
if buttons & LEFT:
if self.is_2D():
self.camera.mouse_translate(x, y, dx, dy)
else:
self.camera.spherical_rotate((x-dx,y-dy),(x,y), self.get_mouse_sensitivity())
if buttons & MIDDLE:
self.camera.zoom_relative([1,-1][self.invert_mouse_zoom]*dy, self.get_mouse_sensitivity()/20.0)
if buttons & RIGHT:
self.camera.mouse_translate(x, y, dx, dy)
def on_mouse_scroll(self, x, y, dx, dy):
self.camera.zoom_relative([1,-1][self.invert_mouse_zoom]*dy, self.get_mouse_sensitivity())
def is_2D(self):
functions = self.window.plot._functions
for i in functions:
if len(functions[i].i_vars)>1 or len(functions[i].d_vars)>2:
return False
return True