class GLWidget(QGLWidget):
def __init__(self):
super(GLWidget, self).__init__()
self.xres = 1024
self.yres = 768
self.setMinimumSize(self.xres, self.yres)
self.info = PInfo()
self.globalParams = PGlobal()
self.leaderParams = PLeader()
self.followerParams = PFollower()
self.leader = Leader(self.leaderParams, self.globalParams)
self.grid = Grid()
self.followers = []
self.setFollowers()
# set info timer
self.infoTimer = QtCore.QTime()
self.infoTimer.start()
# set update timer
self.updateTimer = QtCore.QTimer()
self.updateTimer.setInterval(16)
self.updateTimer.timeout.connect(self.update)
self.updateTimer.start()
# set collision check timer
self.collisionTimer = QtCore.QTimer()
self.collisionTimer.setInterval(32)
self.collisionTimer.timeout.connect(self.collision)
self.collisionTimer.start()
# set render timer
self.renderTimer = QtCore.QTimer()
self.renderTimer.setInterval(16)
self.renderTimer.timeout.connect(self.updateGL)
self.renderTimer.start()
def setFollowers(self):
num = self.followerParams.num - len(self.followers)
if num > 0:
for i in range(0, num):
self.followers.append(Follower(self.leader, self.followerParams,\
self.globalParams, self.grid))
elif num < 0:
num *= -1
for i in range(0, num):
popd = self.followers.pop()
self.grid.remove(popd, popd.loc.x, popd.loc.y)
def update(self):
self.setFollowers()
self.leader.move()
for i in self.followers:
i.move()
def collision(self):
collisions = 0
for i in self.followers:
collisions += i.calcRepulsion(self.followers)
self.info.collisionChecks = collisions
def paintGL(self):
self.info.computeTime.pop(0)
compTime = self.infoTimer.elapsed() - self.info.lastFrame
self.info.computeTime.append(compTime)
glClear(GL_COLOR_BUFFER_BIT)
glLoadIdentity()
self.leader.render()
for i in self.followers:
i.render()
curTime = self.infoTimer.elapsed()
self.info.frameTime.pop(0)
self.info.frameTime.append(curTime - self.info.lastFrame)
self.info.lastFrame = curTime
self.updateInfo()
def updateInfo(self):
print(
"FPS: " +
str(1 /
(sum(self.info.frameTime) / 1000 / len(self.info.frameTime))))
print("Collision checks: " + str(self.info.collisionChecks))
print("RendToRend: " +
str(sum(self.info.computeTime) / len(self.info.computeTime)) +
'ms\n')
def resizeGL(self, w, h):
glMatrixMode(GL_PROJECTION)
glOrtho(-w / h, w / h, -1, 1, -1.0, 1.0)
glViewport(0, 0, w, h)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
def initializeGL(self):
glClearColor(0.0, 0.0, 0.0, 1.0)
def keyPressEvent(self, event):
# Handle keypresses for movement
if event.key() == QtCore.Qt.Key_Space and not event.isAutoRepeat():
self.leader.toggleControl()
elif self.leader.isControlled():
if event.key() == QtCore.Qt.Key_Left:
self.leader.turn('L')
elif event.key() == QtCore.Qt.Key_Right:
self.leader.turn('R')
def setLeaderTarget(self, target):
# Calculate simulation coordinates from click and set leader target
vecTarget = Vector2f(target.x(), target.y())
vecTarget.x -= 16
vecTarget.y = 768 - (vecTarget.y - 23)
if vecTarget.x > 0 and vecTarget.x < 1024 and vecTarget.y > 0 and vecTarget.y < 768:
self.leader.goTo(vecTarget)
def test_turn_position_value_error(self):
leader = Leader(test_mode=True)
self.assertEqual(None, leader.turn("position"))
def test_turn_position_type_errro(self):
leader = Leader(test_mode=True)
self.assertEqual(None, leader.turn(None))
def test_turn_position_zero(self):
leader = Leader(test_mode=True)
self.assertEqual(90, leader.turn(0.0))
def test_turn_position_above_upper_bound(self):
leader = Leader(test_mode=True)
self.assertEqual(135, leader.turn(1.1))
def test_turn_position_below_lower_bound(self):
leader = Leader(test_mode=True)
self.assertEqual(45, leader.turn(-1.1))
