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https://github.com/Xevion/processing-projects.git
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145 lines
4.1 KiB
Python
145 lines
4.1 KiB
Python
import random, time
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class Cell:
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def __init__(self, x, y):
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self.x, self.y = x, y
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self.right, self.bottom, self.visited, self.live = True, True, False, False
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# Identify the neighbors of the cell
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def neighbors(self):
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global offsets
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neighbors = []
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for offset in offsets:
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neighbor = (self.x + offset[0], self.y + offset[1])
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if not valid(neighbor):
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continue
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if grid[neighbor[0]][neighbor[1]].visited:
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continue
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neighbors.append(neighbor)
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return neighbors
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# Render the single cell
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def render(self):
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global divX, divY
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translate(self.x * divX, self.y * divY)
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# Drawing Cell Background
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# Visited, Unvisited, Highlighted
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if self.live:
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fill(244, 117, 117)
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elif self.visited:
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fill(255)
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else:
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fill(204)
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noStroke()
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rect(0, 0, divX, divY)
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# Drawing Cell Lines
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stroke(0)
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fill(255)
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strokeWeight(2.5)
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if self.bottom:
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line(0, divY, divX, divY)
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if self.right:
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line(divX, 0, divX, divY)
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resetMatrix()
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# Open walls between two cells on the grid
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def openWalls(x1, y1, x2, y2):
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global offsets
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# Bottom, Right, Left, Top
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offset = (x2 - x1, y2 - y1)
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if offset == offsets[0]:
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grid[x1][y1].bottom = False
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if offset == offsets[1]:
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grid[x1][y1].right = False
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if offset == offsets[2]:
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grid[x2][y2].right = False
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if offset == offsets[3]:
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grid[x2][y2].bottom = False
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# Validates whether a coordinate is valid with the curret columns and rows set
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def valid(coordinate):
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global columns, rows
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return not (coordinate[0] < 0 or coordinate[0] >= columns or coordinate[1] < 0 or coordinate[1] >= rows)
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# Generates a new grid and cellList (with start) for the maze generation.
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# Serves mostly to ease the process of regenerating a maze without restarting the Sketch
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def generate(xx=None, yy=None):
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global columns, rows, offsets
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# Bottom, Right, Left, Top
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offsets = [(0, 1), (1, 0), (-1, 0), (0, -1)]
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columns, rows = 50, 50
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global grid, divX, divY
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divX, divY = width / float(columns), height / float(rows)
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grid = [[Cell(x, y) for y in range(rows)] for x in range(columns)]
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global switch
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switch = True
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global cellList
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cellList = []
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if xx != None and yy != None:
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start = pixelToCoordinates(xx, yy)
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else:
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start = (random.randint(0, columns-1), random.randint(0, rows-1))
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cellList.append(start)
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def pixelToCoordinates(x, y):
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return int(x / float(divX)), int(y / float(divY))
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def setup():
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size(750, 750)
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generate()
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# Runs the cell.render() action on every cell
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def render():
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background(0)
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for row in grid:
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for cell in row:
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cell.render()
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def tick():
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for _ in range(columns + rows):
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if len(cellList) > 0:
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global switch
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if switch:
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# most recent
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# index = len(cellList) - 1
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# select = cellList[index]
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# oldest
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index = 0
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select = cellList[0]
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else:
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# most random
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index = random.randint(0, len(cellList)-1)
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select = cellList[index]
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neighbors = grid[select[0]][select[1]].neighbors()
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if len(neighbors) < 1:
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grid[select[0]][select[1]].live = False
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cellList.pop(index)
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else:
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new = random.choice(neighbors)
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openWalls(select[0], select[1], new[0], new[1])
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grid[new[0]][new[1]].visited = True
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grid[new[0]][new[1]].live = True
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cellList.append(new)
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else:
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# time.sleep(2)
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return
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def draw():
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global switch
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switch = not switch
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render()
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# if len(cellList) == 0:
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# generate()
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tick()
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def mouseClicked():
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generate(mouseX, mouseY)
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