def mousemoved(x, y):
"""
Callback Funktion fuer Mausbewegung.
Erlaubt Zoom und ArcBall Rotation
"""
global angle, axis, startPoint, moveP, fixedPoint, translate
if isinstance(camList[actCam], FreeCamera):
if doRotation:
r = min(WIDTH, HEIGHT) / 2.0
moveP = g.projectOnSphere(x, y, r, WIDTH, HEIGHT)
angle = math.acos(np.dot(startP, moveP))
axis = np.cross(startP, moveP)
axis = (axis[0], -axis[1], axis[2])
camList[actCam].rotate(angle, axis)
glutPostRedisplay()
if doZoom:
translate += (fixedPoint - y) / 1000.
if translate < 0.1:
translate = 0.1
if translate > 2:
translate = 2
camList[actCam].zoom(translate)
glutPostRedisplay()
fixedPoint = y
def mousemoved(x, y):
""" Callback Function f or MouseMotion """
global angle, axis, translate, startPoint, transX, transY, fixedPoint, objectPosition, moveP
if doRotation:
r = min(WIDTH, HEIGHT) / 2.0
moveP = geo.projectOnSphere(x, y, r, WIDTH, HEIGHT)
angle = math.acos(dot(startP, moveP))
axis = cross(startP, moveP)
glutPostRedisplay()
def mousemoved(x, y):
""" Callback Function f or MouseMotion """
global angle, axis, translate, startPoint, transX, transY, fixedPoint, objectPosition, moveP
if doRotation:
r = min(WIDTH, HEIGHT) / 2.0
moveP = geo.projectOnSphere(x, y, r, WIDTH, HEIGHT)
angle = math.acos(dot(startP, moveP))
axis = cross(startP, moveP)
glutPostRedisplay()
def mousebuttonpressed(button, state, x, y):
""" Callback Function for Mouse-Event """
global startP, actOri, angle, doRotation, doZoom, startPoint, doTranslate, fixedPoint
r = min(WIDTH, HEIGHT) / 2.0
if button == GLUT_LEFT_BUTTON:
doZoom, doTranslate = False, False
if state == GLUT_DOWN:
doRotation = True
startP = geo.projectOnSphere(x, y, r, WIDTH, HEIGHT)
if state == GLUT_UP:
doRotation = False
actOri = actOri * geo.rotate(angle, axis)
angle = 0
def mousebuttonpressed(button, state, x, y):
""" Callback Function for Mouse-Event """
global startP, actOri, angle, doRotation, doZoom, startPoint, doTranslate, fixedPoint
r = min(WIDTH, HEIGHT) / 2.0
if button == GLUT_LEFT_BUTTON:
doZoom, doTranslate = False, False
if state == GLUT_DOWN:
doRotation = True
startP = geo.projectOnSphere(x, y, r, WIDTH, HEIGHT)
if state == GLUT_UP:
doRotation = False
actOri = actOri * geo.rotate(angle, axis)
angle = 0
def mousebuttonpressed(button, state, x, y):
""" Callback Funktion fuer Maustasten """
global startP, actOri, angle, doRotation, fixedPoint, doZoom
if isinstance(camList[actCam], FreeCamera):
r = min(WIDTH, HEIGHT) / 2.0
if button == GLUT_LEFT_BUTTON:
if state == GLUT_DOWN:
doRotation = True
startP = g.projectOnSphere(x, y, r, WIDTH, HEIGHT)
if state == GLUT_UP:
doRotation = False
camList[actCam].changeOrientation(angle, axis)
angle = 0
if button == GLUT_RIGHT_BUTTON: # zoom
if state == GLUT_DOWN:
doZoom = True
fixedPoint = y
if state == GLUT_UP:
doZoom = False
