#python tkinter #python version 3.3.2 from tkinter import * ''' 判断 两个小球 { 圆心:A(x1,y1) 半径:r X轴速度:Vax Y轴速度:Vay 圆心:B(x2,y2) 半径:R X轴速度:Vbx Y轴速度:Vby } 碰撞的条件是: 1.两个小球的圆心距离不大于两小球半径之和(r+R),即: { (x2 - x1)^2 + (y2 - y1)^2 <= (r + R)^2 } 2.小球碰撞后,两小球的数度交换,即: { tempVax = Vax tempVay = Vay Vax = Vbx Vay = Vby Vbx = tempVax Vby = tempVay 或: Vax = Vax + Vbx Vbx = Vax - Vbx Vax = Vax - Vbx Vay = Vay + Vby Vby = Vay - Vby Vay = Vay - Vby } 游戏规则: 五小球在画布中移动,他们之间会产生碰撞,当然小球和上下左右都会产生碰撞 碰撞后,小球会改变方向返回 而最下面的游标则用于调节小球的移动速度,游标的范围是[-100, 100] ''' __author__ = {'author' : 'Hongten', 'Email' : '[email protected]', 'Blog' : 'http://www.cnblogs.com/hongten/', 'Created' : '2013-09-28', 'Version' : '1.1'} class Pong(Frame): def createWidgets(self): #放缩率 self.scaling = 100.0 #画布比例 self.canvas_width = 10 self.canvas_height = 5.6 ## 画布 self.draw = Canvas(self, width=(self.canvas_width * self.scaling), height=(self.canvas_height * self.scaling), bg='white') ## 游标(控制小球移动速度,范围:[-100, 100]) self.speed = Scale(self, orient=HORIZONTAL, label="ball speed", from_=-200, to=200) self.speed.pack(side=BOTTOM, fill=X) #小球直径 self.ball_d = 1.0 #小球碰撞墙壁的范围 self.scaling_left = round(self.ball_d / 2, 1) self.scaling_right = self.canvas_width - self.scaling_left self.scaling_bottom = self.canvas_height - self.scaling_left self.scaling_top = self.scaling_left #游标度数 self.scale_value = self.speed.get() * 0.1 #存放小球数组 self.balls = [] #存放小球x坐标数组 self.ball_x = [] #存放小球y坐标数组 self.ball_y = [] #存放小球x轴方向速度数组 self.ball_v_x = [] #存放小球y轴方向速度数组 self.ball_v_y = [] # 五个小球 self.ball = self.draw.create_oval("0.60i", "0.60i", "1.60i", "1.60i", fill="red") self.second_ball = self.draw.create_oval("2.0i", "2.0i", "3.0i", "3.0i", fill='black') self.three_ball = self.draw.create_oval("4.0i", "4.0i", "5.0i", "5.0i", fill='brown') self.four_ball = self.draw.create_oval("6.0i", "2.0i", "7.0i", "3.0i", fill='green') self.five_ball = self.draw.create_oval("8.0i", "3.0i", "9.0i", "4.0i", fill='gray') #把五个小球放入数组 self.balls.append(self.ball) self.balls.append(self.second_ball) self.balls.append(self.three_ball) self.balls.append(self.four_ball) self.balls.append(self.five_ball) #第一个小球,即self.ball的圆心坐标(self.x, self.y),这里进行了放缩,目的是为了 #在小球移动的过程中更加流畅 self.x = 1.1 self.y = 1.1 #第一个小球的速度方向 self.velocity_x = -0.2 self.velocity_y = 0.1 self.second_ball_x = 2.5 self.second_ball_y = 2.5 self.second_ball_v_x = 0.1 self.second_ball_v_y = -0.2 self.three_ball_x = 4.5 self.three_ball_y = 4.5 self.three_ball_v_x = -0.1 self.three_ball_v_y = -0.2 self.four_ball_x = 6.5 self.four_ball_y = 2.5 self.four_ball_v_x = 0.1 self.four_ball_v_y = -0.2 self.five_ball_x = 8.5 self.five_ball_y = 3.5 self.five_ball_v_x = 0.1 self.five_ball_v_y = 0.2 #更新小球的坐标 self.update_ball_x_y() self.draw.pack(side=LEFT) def update_ball_x_y(self, *args): '''更新小球的坐标,即把各个小球的圆心坐标信息以及速度信息存放到数组中, 便于在后面循环遍历的时候使用。''' #第一个小球信息 self.ball_x.append(self.x) self.ball_y.append(self.y) self.ball_v_x.append(self.velocity_x) self.ball_v_y.append(self.velocity_y) self.ball_x.append(self.second_ball_x) self.ball_y.append(self.second_ball_y) self.ball_v_x.append(self.second_ball_v_x) self.ball_v_y.append(self.second_ball_v_y) self.ball_x.append(self.three_ball_x) self.ball_y.append(self.three_ball_y) self.ball_v_x.append(self.three_ball_v_x) self.ball_v_y.append(self.three_ball_v_y) self.ball_x.append(self.four_ball_x) self.ball_y.append(self.four_ball_y) self.ball_v_x.append(self.four_ball_v_x) self.ball_v_y.append(self.four_ball_v_y) self.ball_x.append(self.five_ball_x) self.ball_y.append(self.five_ball_y) self.ball_v_x.append(self.five_ball_v_x) self.ball_v_y.append(self.five_ball_v_y) def update_ball_velocity(self, index, *args): '''更新各个小球速度信息,即小球碰撞到四周和另外的小球索要更新的速度信息''' #游标值 self.scale_value = self.speed.get() * 0.1 #碰撞墙壁 if (self.ball_x[index] > self.scaling_right) or (self.ball_x[index] < self.scaling_left): self.ball_v_x[index] = -1.0 * self.ball_v_x[index] if (self.ball_y[index] > self.scaling_bottom) or (self.ball_y[index] < self.scaling_top): self.ball_v_y[index] = -1.0 * self.ball_v_y[index] ''' #TEST: for n in range(len(self.balls)): #print((self.ball_x[index] - self.ball_x[n])**2) #print(round((self.ball_x[index] - self.ball_x[n])**2 + (self.ball_y[index] - self.ball_y[n])**2, 2)) print(round((self.ball_x[index] - self.ball_x[n])**2 + (self.ball_y[index] - self.ball_y[n])**2, 2) <= round(self.ball_d**2, 2)) ''' for n in range(len(self.balls)): #小球碰撞条件,即:(x2 - x1)^2 + (y2 - y1)^2 <= (r + R)^2 if (round((self.ball_x[index] - self.ball_x[n])**2 + (self.ball_y[index] - self.ball_y[n])**2, 2) <= round(self.ball_d**2, 2)): #两小球速度交换 temp_vx = self.ball_v_x[index] temp_vy = self.ball_v_y[index] self.ball_v_x[index] = self.ball_v_x[n] self.ball_v_y[index] = self.ball_v_y[n] self.ball_v_x[n] = temp_vx self.ball_v_y[n] = temp_vy #print(self.ball_v_x, self.ball_v_y) ''' #WRONG: for n in range(len(self.balls)): if (((self.ball_x[index] - self.ball_x[n])**2 + (self.ball_y[index] - self.ball_y[n])**2) <= self.ball_d**2): #两小球速度交换 self.ball_v_x[index] = self.ball_v_x[index] + self.ball_v_x[n] self.ball_v_x[n] = self.ball_v_x[0] - self.ball_v_x[n] self.ball_v_x[index] = self.ball_v_x[index] - self.ball_v_x[n] self.ball_v_y[index] = self.ball_v_y[index] + self.ball_v_y[n] self.ball_v_y[n] = self.ball_v_y[index] - self.ball_v_y[n] self.ball_v_y[index] = self.ball_v_y[index] - self.ball_v_y[n] print(self.ball_v_x, self.ball_v_y) ''' def get_ball_deltax(self, index, *args): '''获取小球X轴坐标移动距离并且更新小球的圆心X坐标,返回X轴所需移动距离''' deltax = (self.ball_v_x[index] * self.scale_value / self.scaling) self.ball_x[index] = self.ball_x[index] + deltax return deltax def get_ball_deltay(self, index, *args): '''获取小球Y轴坐标移动距离并且更新小球的圆心Y坐标,返回Y轴所需移动距离''' deltay = (self.ball_v_y[index] * self.scale_value / self.scaling) self.ball_y[index] = self.ball_y[index] + deltay return deltay def moveBall(self, *args): '''移动第一个小球,编号为:0,这是根据数组:self.balls确定的。''' self.update_ball_velocity(0) deltax = self.get_ball_deltax(0) deltay = self.get_ball_deltay(0) #小球移动 self.draw.move(self.ball, "%ri" % deltax, "%ri" % deltay) self.after(10, self.moveBall) def move_second_ball(self, *args): self.update_ball_velocity(1) deltax = self.get_ball_deltax(1) deltay = self.get_ball_deltay(1) self.draw.move(self.second_ball, "%ri" % deltax, "%ri" % deltay) self.after(10, self.move_second_ball) def move_three_ball(self, *args): self.update_ball_velocity(2) deltax = self.get_ball_deltax(2) deltay = self.get_ball_deltay(2) self.draw.move(self.three_ball, "%ri" % deltax, "%ri" % deltay) self.after(10, self.move_three_ball) def move_four_ball(self, *args): self.update_ball_velocity(3) deltax = self.get_ball_deltax(3) deltay = self.get_ball_deltay(3) self.draw.move(self.four_ball, "%ri" % deltax, "%ri" % deltay) self.after(10, self.move_four_ball) def move_five_ball(self, *args): self.update_ball_velocity(4) deltax = self.get_ball_deltax(4) deltay = self.get_ball_deltay(4) self.draw.move(self.five_ball, "%ri" % deltax, "%ri" % deltay) self.after(10, self.move_five_ball) def __init__(self, master=None): '''初始化函数''' Frame.__init__(self, master) Pack.config(self) self.createWidgets() self.after(10, self.moveBall) self.after(10, self.move_three_ball) self.after(10, self.move_four_ball) self.after(10, self.move_five_ball) self.after(10, self.move_second_ball) game = Pong() game.mainloop()
python小球游戏代码
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转载自blog.csdn.net/qq706352062/article/details/80228759
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