Butterflies and Spiders
Single-Player/GVGAI/butterflies.yaml
Description
You want to catch all of the butterflies while also avoiding the spiders. Butterflies spawn slowly from cocoons. The butterflies are also eaten by the spiders so you need to be fast to collect them. You win the level as soon as there are no butterflies on the screen.
Levels
Block2D |
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Code Example
The most basic way to create a Griddly Gym Environment. Defaults to level 0 and SPRITE_2D rendering.
import gym
import griddly
if __name__ == '__main__':
env = gym.make('GDY-Butterflies-and-Spiders-v0')
env.reset()
# Replace with your own control algorithm!
for s in range(1000):
obs, reward, done, info = env.step(env.action_space.sample())
env.render() # Renders the environment from the perspective of a single player
env.render(observer='global') # Renders the entire environment
if done:
env.reset()
Objects
Name -> |
wall |
butterfly |
cocoon |
spider |
catcher |
|---|---|---|---|---|---|
Map Char -> |
w |
1 |
0 |
S |
A |
Block2D |
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Sprite2D |
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Vector |
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Actions
move
Action Id |
Mapping |
|---|---|
1 |
Left |
2 |
Up |
3 |
Right |
4 |
Down |
spider_random_movement
- Relative
The actions are calculated relative to the object being controlled.
- Internal
This action can only be called from other actions, not by the player.
Action Id |
Mapping |
|---|---|
1 |
Rotate left |
2 |
Move forwards |
3 |
Rotate right |
spawn_butterfly
- Internal
This action can only be called from other actions, not by the player.
Action Id |
Mapping |
|---|---|
1 |
Left |
2 |
Up |
3 |
Right |
4 |
Down |
butterfly_random_movement
- Internal
This action can only be called from other actions, not by the player.
Action Id |
Mapping |
|---|---|
1 |
Left |
2 |
Up |
3 |
Right |
4 |
Down |
YAML
Version: "0.1"
Environment:
Name: Butterflies and Spiders
Description: |
You want to catch all of the butterflies while also avoiding the spiders. Butterflies spawn slowly from cocoons.
The butterflies are also eaten by the spiders so you need to be fast to collect them.
You win the level as soon as there are no butterflies on the screen.
Observers:
Sprite2D:
TileSize: 24
BackgroundTile: gvgai/oryx/grass_15.png
Block2D:
TileSize: 24
Player:
AvatarObject: catcher
Termination:
Win:
- eq: [butterfly:count, 0] # If there are no butterflies
Lose:
- eq: [catcher:count, 0] # If the catcher gets killed
Levels:
- |
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Actions:
- Name: spawn_butterfly
InputMapping:
Internal: true
Behaviours:
- Src:
Object: cocoon
Commands:
- spawn: butterfly
- exec:
Action: spawn_butterfly
Delay: 50
Randomize: true
Dst:
Object: _empty
- Src:
Object: cocoon
Commands:
- exec:
Action: spawn_butterfly
Delay: 50
Randomize: true
Dst:
Object: [cocoon, butterfly, catcher, wall]
# Butterfly movement is different to spider movement
- Name: butterfly_random_movement
InputMapping:
Internal: true
Behaviours:
# The butterfly moves into an empty space
- Src:
Object: butterfly
Commands:
- mov: _dest
- exec:
Action: butterfly_random_movement
Delay: 3
Randomize: true
Dst:
Object: _empty
# if the butterfly tries to move into anything but an empty spot
- Src:
Object: butterfly
Commands:
- exec:
Action: butterfly_random_movement
Delay: 3
Randomize: true
Dst:
Object: [ wall, spider, catcher, butterfly, cocoon ]
# Define spider movement
- Name: spider_random_movement
InputMapping:
Inputs:
1:
Description: Rotate left
OrientationVector: [-1, 0]
2:
Description: Move forwards
OrientationVector: [0, -1]
VectorToDest: [0, -1]
3:
Description: Rotate right
OrientationVector: [1, 0]
Relative: true
Internal: true
Behaviours:
# Spider rotates on the spot
- Src:
Object: spider
Commands:
- rot: _dir
- exec:
Action: spider_random_movement
Delay: 3
Randomize: true
Dst:
Object: spider
# The catcher and the spider can move into empty space
- Src:
Object: spider
Commands:
- mov: _dest
- exec:
Action: spider_random_movement
Delay: 3
Randomize: true
Dst:
Object: _empty
# The spider will not move into the wall or the gem, but it needs to keep moving
- Src:
Object: spider
Commands:
- exec:
Action: spider_random_movement
Delay: 3
Randomize: true
Dst:
Object: wall
# If the spider moves into a butterfly it dies
- Src:
Object: spider
Commands:
- mov: _dest
- exec:
Action: spider_random_movement
Delay: 3
Randomize: true
Dst:
Object: butterfly
Commands:
- remove: true
- reward: -1
# if the spider moves into the catcher it dies
- Src:
Object: spider
Dst:
Object: catcher
Commands:
- remove: true
- reward: -10
# Define the move action
- Name: move
Behaviours:
# If the catcher moves into a spider
- Src:
Object: catcher
Commands:
- remove: true
- reward: -1
Dst:
Object: spider
# The catcher move into an empty space
- Src:
Object: catcher
Commands:
- mov: _dest
Dst:
Object: _empty
# If the catcher moves into a butterfly object, the butterfly is caught YAY!
- Src:
Object: catcher
Commands:
- mov: _dest
- reward: 1
Dst:
Object: butterfly
Commands:
- remove: true
Objects:
- Name: wall
MapCharacter: 'w'
Observers:
Sprite2D:
- TilingMode: WALL_16
Image:
- oryx/oryx_fantasy/wall9-0.png
- oryx/oryx_fantasy/wall9-1.png
- oryx/oryx_fantasy/wall9-2.png
- oryx/oryx_fantasy/wall9-3.png
- oryx/oryx_fantasy/wall9-4.png
- oryx/oryx_fantasy/wall9-5.png
- oryx/oryx_fantasy/wall9-6.png
- oryx/oryx_fantasy/wall9-7.png
- oryx/oryx_fantasy/wall9-8.png
- oryx/oryx_fantasy/wall9-9.png
- oryx/oryx_fantasy/wall9-10.png
- oryx/oryx_fantasy/wall9-11.png
- oryx/oryx_fantasy/wall9-12.png
- oryx/oryx_fantasy/wall9-13.png
- oryx/oryx_fantasy/wall9-14.png
- oryx/oryx_fantasy/wall9-15.png
Block2D:
- Shape: square
Color: [0.7, 0.7, 0.7]
Scale: 0.9
- Name: butterfly
InitialActions:
- Action: butterfly_random_movement
Delay: 3
Randomize: true
MapCharacter: '1'
Observers:
Sprite2D:
- Image: gvgai/newset/butterfly1.png
Block2D:
- Shape: triangle
Color: [0.0, 0.0, 1.0]
Scale: 0.3
- Name: cocoon
MapCharacter: '0'
InitialActions:
- Action: spawn_butterfly
Delay: 50
Randomize: true
Observers:
Sprite2D:
- Image: gvgai/newset/cocoonb1.png
Block2D:
- Shape: triangle
Color: [0.0, 1.0, 0.0]
Scale: 0.5
- Name: spider
InitialActions:
- Action: spider_random_movement
Delay: 3
Randomize: true
MapCharacter: 'S'
Observers:
Sprite2D:
- Image: oryx/oryx_fantasy/avatars/spider1.png
Block2D:
- Shape: triangle
Color: [1.0, 0.0, 0.0]
Scale: 0.5
- Name: catcher
MapCharacter: 'A'
Observers:
Sprite2D:
- Image: gvgai/newset/girl5.png
Block2D:
- Shape: triangle
Color: [1.0, 1.0, 1.0]
Scale: 0.8