0
我正在尝试创建一个旋转炮塔。炮塔正确旋转的问题是,当我使用空格键进行炮塔射击时,子弹在每个角度的尺寸或形状都不相同。我尝试使用炮塔所面对的角度做一些三角计算,并找到创建子弹所需的两个角点(这是一个圆圈)。我已经尝试过的任何东西都可以工下面是代码:用任意角度创建一个正方形边框
Barrel = [260,210,270,210,270,170,260,170]
def RotateBarrel():
global angle
angleChange = 2
mountCenterX = 265
mountCenterY = 215
#Rotate Barrel
cycle = 1
while cycle < len(Barrel):
x = Barrel[cycle-1]-mountCenterX
y = Barrel[cycle]-mountCenterY
Barrel[cycle-1] = (x*math.cos(angleChange*math.pi/180)-y*math.sin(angleChange*math.pi/180))+mountCenterX
Barrel[cycle] = (x*math.sin(angleChange*math.pi/180)+y*math.cos(angleChange*math.pi/180))+mountCenterY
cycle += 2
angle += angleChange
if angle == 360: angle = 0
canvas.coords(barrel,Barrel)
self.after(1,RotateBarrel)
def SpinningShoot(event):
global angle
speed = 10
shotXpos = Barrel[6]+10*(math.cos(angle*math.pi/180))
shotYpos = Barrel[7]-10*(math.sin(angle*math.pi/180))
cornerX = Barrel[6]+10*(math.cos((90-angle)*math.pi/180))
cornerY = Barrel[7]-10*(math.sin((90-angle)*math.pi/180))
shot = canvas.create_oval(shotXpos,shotYpos,cornerX,cornerY,fill="white")
Xmotion = speed*math.cos(angle*math.pi/180)
Ymotion = speed*math.sin(angle*math.pi/180)
Shots.append(shot)
ShotsPos.append(shotXpos)
ShotsPos.append(shotYpos)
ShotsMotion.append(Xmotion)
ShotsMotion.append(Ymotion)