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我写了一个突破风格的游戏,它除了球蝙蝠的碰撞和反射之外都起作用。它应该使工作如果球从左向右移动,因为它击中了蝙蝠:python - 我的球/蝙蝠碰撞和反射有什么问题?
如果它击中左端它反弹回它 来的方向,如果它击中它反弹的右端在相同的方向
,反之亦然从右到左的方向。并且:
如果它碰到中间区域,它会以相同的角度反弹回来,如果它碰到中心左/右区域,它会在角度发生轻微变化时反弹回去。
它有时也会通过蝙蝠,即使它结束了,应该是反弹,这是令人困惑的,但我认为可能是由于`BH == Bat.y线,因为球正在移动角度等都可能略微超过,并继续进行。
代码:(BAW/H =蝙蝠宽/高,BW/H =球宽/高)
# check with bat
if theball.y+BH == thebat.y and (theball.x >= thebat.x-5 and theball.x <= thebat.x+BATW):
# collision in centre - rebounds with angle reflection == angle incidence
if theball.cx>= thebat.x+40 and theball.cx<=thebat.x+60:
theball.dy = -theball.dy
return
# else find ball direction, do all areas for each direction
if theball.oldx < theball.x: # ball moving left to right, find which area: ends, mid lef, mid right, centre
# collision with left end
if theball.cx<= thebat.x+10:
# ball rebounds back in direction it came from
theball.dx = - theball.dx
theball.dy = - theball.dy
return
# collision with right end
if theball.cx >= thebat.x+90:
angle -= 10
if angle < MIN_ANGLE:
angle = MIN_ANGLE
theball.dx, theball.dy = calc_dxdy(angle)
return
# middle left and right
# mid left
if (theball.cx > thebat.x+10 and theball.cx < thebat.x+40):
angle -=5
if angle <= MIN_ANGLE:
angle = MIN_ANGLE
theball.dx, theball.dy = calc_dxdy(angle)
return
# mid right
if (theball.cx > thebat.x+60 and theball.cx < thebat.x+90):
angle +=5
if angle >= MAX_ANGLE:
angle = MAX_ANGLE
theball.dx, theball.dy = calc_dxdy(angle)
return
# ball moving right to left
if theball.oldx > theball.x: # ball moving right to left, find which area: ends, mid lef, mid right, centre
# collision with right end
if theball.cx>= thebat.x+90:
# ball rebounds back in direction it came from
theball.dx = - theball.dx
theball.dy = - theball.dy
return
# collision with right end
if theball.cx <= thebat.x+10:
angle += 10
if angle > MAX_ANGLE:
angle = MAX_ANGLE
theball.dx, theball.dy = calc_dxdy(angle)
return
# middle left and right
# mid left
if (theball.cx > thebat.x+10 and theball.cx < thebat.x+40):
angle +=5
if angle <= MAX_ANGLE:
angle = MAX_ANGLE
theball.dx, theball.dy = calc_dxdy(angle)
return
# mid right
if (theball.cx > thebat.x+60 and theball.cx < thebat.x+90):
angle -=5
if angle >= MIN_ANGLE:
angle = MIN_ANGLE
theball.dx, theball.dy = calc_dxdy(angle)
return