{
"metadata": {
"name": "fun_with_ipythonblocks"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "code",
"collapsed": false,
"input": [
"from ipythonblocks import colors, BlockGrid\n",
"import random"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 1
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Draw rainbows!!!!\n",
"rainbow_colors = ['Red', 'Purple', 'Blue', 'Green', 'Yellow', 'Orange']\n",
"n_colors = len(rainbow_colors)\n",
"grid = BlockGrid(41, 5, block_size=30, lines_on=False)\n",
"for i in range(100):\n",
" for block in grid:\n",
" color_name = rainbow_colors[(block.row + block.col + i) % n_colors]\n",
" block.rgb = colors[color_name]\n",
" grid.flash()\n",
"grid.show()"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "display_data",
"text": [
""
]
}
],
"prompt_number": 2
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def inside_grid(ball_position, grid):\n",
" return ball_position[0] >= 0 \\\n",
" and ball_position[1] >= 0 \\\n",
" and ball_position[0] <= grid.shape[0] - 1 \\\n",
" and ball_position[1] <= grid.shape[1] - 1\n",
"\n",
"def move_monster(monster_position, grid):\n",
" while True:\n",
" move_directions = [(0,1), (1, 0), (-1, 0), (0, -1)] # try changing this!\n",
" move = random.choice(move_directions)\n",
" next_position = add_position(monster_position, move)\n",
" if inside_grid(next_position, grid):\n",
" break\n",
" return next_position\n",
"\n",
"def add_position(pos1, pos2):\n",
" \"\"\" \n",
" Add a position and a move together:\n",
" add_position( (2,3), (0,1) ) == (2,4)\n",
" \"\"\"\n",
" return (pos1[0] + pos2[0], pos1[1] + pos2[1])\n",
"\n",
"monster_position = (randint(1, grid.shape[0]), randint(1, grid.shape[1]))\n",
"grid = BlockGrid(41, 10, block_size=30, lines_on=True)\n",
"eaten_positions = []\n",
"\n",
"# Try changing the colors!\n",
"monster_color = colors['DarkOrange']\n",
"grid_color = colors['Purple']\n",
"eaten_color = colors['White']\n",
"\n",
"for i in range(100):\n",
" # Add the monster position to the list of eaten positions\n",
" eaten_positions.append(monster_position)\n",
" monster_position = move_monster(monster_position, grid)\n",
" for block in grid:\n",
" block_coordinates = (block.col, block.row)\n",
" if block_coordinates == monster_position:\n",
" block.rgb = monster_color\n",
" elif block_coordinates in eaten_positions:\n",
" block.rgb = eaten_color\n",
" else:\n",
" block.rgb = grid_color\n",
" grid.flash()\n",
"grid.show()"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "display_data",
"text": [
""
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}