124 lines
3.5 KiB
Python
124 lines
3.5 KiB
Python
import tkinter
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import threading
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import time
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class CanvasGame:
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def managementthread(self):
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while True:
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w = self.pressed_dict.get('w', False)
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s = self.pressed_dict.get('s', False)
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a = self.pressed_dict.get('a', False)
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d = self.pressed_dict.get('d', False)
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if w:
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self.velocity_y -= self.velocity_speedup
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if s:
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self.velocity_y += self.velocity_speedup
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if a:
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self.velocity_x -= self.velocity_speedup
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if d:
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self.velocity_x += self.velocity_speedup
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if not any(movement for movement in [w,a,s,d]):
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nondirectional = abs(self.velocity_x) + abs(self.velocity_y)
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nondirectional /= 2
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if nondirectional < self.velocity_minimum:
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self.velocity_x = 0
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self.velocity_y = 0
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else:
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if self.velocity_x != 0:
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self.velocity_x *= self.velocity_slowdown
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if self.velocity_y != 0:
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self.velocity_y *= self.velocity_slowdown
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self.velocity_x = self.numbercap(self.velocity_x, self.velocity_maximum)
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self.velocity_y = self.numbercap(self.velocity_y, self.velocity_maximum)
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self.player_x += self.velocity_x
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self.player_y += self.velocity_y
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x = self.x_camera + self.player_x
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y = self.y_camera + self.player_y
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xdiff = x - self.gamewidthcenter
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ydiff = y - self.gameheightcenter
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if xdiff > self.camera_distance:
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self.x_camera -= abs(xdiff / self.camera_distance)
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elif xdiff < -self.camera_distance:
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self.x_camera += abs(xdiff / self.camera_distance)
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if ydiff > self.camera_distance:
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self.y_camera -= abs(ydiff / self.camera_distance)
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elif ydiff < -self.camera_distance:
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self.y_camera += abs(ydiff / self.camera_distance)
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#print(self.player_x, x)
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self.canvas.coords(self.player, x-self.player_radius, y-self.player_radius,
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x+self.player_radius, y+self.player_radius)
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self.label_coordinates.configure(text="%d, %d" % (self.player_x, self.player_y))
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time.sleep(0.017)
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def numbercap(self, i, cap):
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if i > cap:
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i = cap
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elif i < -cap:
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i = -cap
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return i
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def pushkey(self, event):
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#print(event.char, "Down")
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self.pressed_dict[event.char] = True
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def releasekey(self, event):
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#print(event.char, "Up")
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self.pressed_dict[event.char] = False
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def __init__(self):
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self.t = tkinter.Tk()
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self.pressed_dict = {}
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self.gamewidth = 640
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self.gameheight = 480
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self.gamewidthcenter = self.gamewidth / 2
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self.gameheightcenter = self.gameheight / 2
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self.canvas = tkinter.Canvas(self.t, width=self.gamewidth, height=self.gameheight)
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self.x_camera = (self.gamewidth / 2)
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self.y_camera = (self.gameheight / 2)
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x = 0
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y = 0
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self.player_x = x
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self.player_y = y
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self.player_radius = 3
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self.player = self.canvas.create_oval(x-self.player_radius, y-self.player_radius,
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x+self.player_radius, y+self.player_radius,
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fill="#ff0")
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self.camera = self.canvas.create_oval(self.x_camera, self.y_camera, self.x_camera, self.y_camera)
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self.camera_distance = 20
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self.playerthread = threading.Thread(name="Playerthread", target=self.managementthread)
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self.playerthread.daemon = True
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self.velocity_x = 0
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self.velocity_y = 0
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self.velocity_maximum = 4
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self.velocity_minimum = 0.2
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self.velocity_slowdown = 0.95
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self.velocity_speedup = 0.6
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self.entities = []
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self.label_coordinates = tkinter.Label(self.canvas, text="0, 0")
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self.label_coordinates.place(x=self.gamewidthcenter, y=self.gameheight-10, anchor="c")
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self.canvas.bind("<KeyPress>", self.pushkey)
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self.canvas.bind("<KeyRelease>", self.releasekey)
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self.canvas.focus_set()
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self.playerthread.start()
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self.canvas.pack()
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self.t.mainloop()
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c = CanvasGame()
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