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TrackBuilder.py
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TrackBuilder.py
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# http://programarcadegames.com/index.php?lang=nl&chapter=introduction_to_animation
# http://programarcadegames.com/index.php?lang=nl&chapter=controllers_and_graphics
from Utils import *
import Config
from Vector2 import Vector2
from Graphics import Graphics
from Wall import Wall
import json
class TrackBuilder():
pos = None
dx = 2
dy = 2
done = False
graphics = None
walls = []
prev = None
def __init__(self, withGrapics = True):
self.graphics = Graphics()
if withGrapics:
self.graphics.init("TrackBuilder", Config.SIZE)
self.graphics.setKeyCallback(self.keyDown)
self.graphics.setMouseCallback(self.mouseClick)
def mouseClick(self, x, y):
if self.pos == None:
self.pos = Vector2(x, y)
else:
if self.prev == None:
self.prev = Vector2(x, y)
else:
self.walls.append(Wall(self.prev.x, self.prev.y, x, y))
self.prev = Vector2(x, y)
def keyDown(self, key):
if key == "W":
self.writeTrack()
if key == "L":
self.prev = None
def write_file(self, filename, data):
with open(filename, "w") as outfile:
outfile.write(data + "\n")
def writeTrack(self):
data = {}
data["width"] = Config.WIDTH
data["height"] = Config.HEIGHT
data["startX"] = self.pos.x
data["startY"] = self.pos.y
data["walls"] = [(w.p1.x, w.p1.y, w.p2.x, w.p2.y) for w in self.walls]
jsondata = json.dumps(data, default=lambda o: o.__dict__)
print("Writing track to track.json")
self.write_file("track.json", jsondata)
def run(self):
# Loop until the user clicks the close button.
while not self.done:
self.done = self.graphics.queryEvents()
# Set the screen background
self.graphics.fill(Config.BLACK)
self.graphics.print("Clock: {}".format(self.graphics.fps()))
# Do physics
# Draw everything
self.draw()
# Update screen
self.graphics.flip()
# Exit
self.graphics.quit()
def draw(self):
if self.pos != None:
self.graphics.circle(self.pos.x, self.pos.y, 3, Config.RED, 0)
for wall in self.walls:
wall.draw(self.graphics)
if __name__ == "__main__":
app = TrackBuilder(True)
app.run()