def resetGrid(display_player):
    canvas.delete("all")
    if display_player:
        colourMatrix[player_y][player_x] = COLOUR_PLAYER

    rows, cols = len(colourMatrix), len(colourMatrix[0])

    rect_width = canvas_width // cols
    rect_height = canvas_height // cols
    for y, row in enumerate(colourMatrix):
        for x, colour in enumerate(row):
            x0, y0 = x * rect_width, y * rect_height
            x1, y1 = x0 + rect_width-1, y0 + rect_height-1
            #Still deciding on whether to use colours or text
            canvas.create_rectangle(x0, y0, x1, y1, fill=colour, width=0, outline=colour)
            #canvas.create_text(((x0+x1)/2), ((y0+y1)/2), fill=colour, font="Times 50", text = "@")