On Collision With Do
Tells the "owner" of the block what to do when it bumps into an agent of the selected breed. The “owner” is an agent of the breed whose page is where this collision block is put.
on collision with [▼] do
is a code block from the Detection drawer.
Usage
on collision with [▼] do
begins the execution of a stack of code when a collision is detected with a specific type of agent denoted in the drop down selector. The agent collided with is known as the "collidee". This agent can be referenced using the collidee
block.
Syntax
Inputs:
- a breed from the dropdown menu
- relevant code
Example
When the fish prey agents collides with the whale predator agent (i.e. they have the same x, y, and z coordinates) the prey agent deletes itself. This interaction makes it appear as if the predator eats the prey.
Nuances
on collision with [▼] do
cannot be used as a conditional such as if
. on collision with [▼] do
must begin a stack of code.