#
Examples
See Assets/PocketPython/Examples
after you import the plugin.
#
Primes Example
using UnityEngine;
namespace PocketPython
{
/// <summary>
/// Example of using PocketPython to find prime numbers.
/// </summary>
public class PrimesExample : MonoBehaviour
{
// Start is called before the first frame update
void Start()
{
var vm = new VM();
const string source = @"
def is_prime(x):
if x < 2:
return False
for i in range(2, x):
if x % i == 0:
return False
return True
primes = [i for i in range(2, 20) if is_prime(i)]
print(primes)
";
CodeObject code = vm.Compile(source, "main.py", CompileMode.EXEC_MODE);
vm.Exec(code); // [2, 3, 5, 7, 11, 13, 17, 19]
}
}
}
#
Vector2 Example
using UnityEngine;
namespace PocketPython
{
/// <summary>
/// Example of making UnityEngine.Vector2 available to Python.
/// </summary>
public class Vector2Example : MonoBehaviour
{
// Start is called before the first frame update
void Start()
{
var vm = new VM();
// register UnityEngine.Vector2 type into the builtins module
vm.RegisterAutoType<Vector2>(vm.builtins);
vm.Exec("print(Vector2)", "main.py"); // <class 'Vector2'>
vm.Exec("v = Vector2(1, 2)", "main.py");
vm.Exec("print(v)", "main.py"); // (1.0, 2.0)
vm.Exec("print(v.x)", "main.py"); // 1.0
vm.Exec("print(v.y)", "main.py"); // 2.0
vm.Exec("print(v.magnitude)", "main.py"); // 2.236068
vm.Exec("print(v.normalized)", "main.py"); // (0.4472136, 0.8944272)
vm.Exec("print(Vector2.Dot(v, v))", "main.py"); // 5.0
vm.Exec("print(Vector2.get_up())", "main.py"); // (0.0, 1.0)
Vector2 v = (Vector2)vm.Eval("Vector2(3, 4) + v");
Debug.Log(v); // (4.0, 6.0)
}
}
}
#
MyClass Example
using UnityEngine;
using System;
namespace PocketPython
{
public class MyClass
{
public string title;
public string msg;
public void Print()
{
Debug.Log(title + ": " + msg);
}
}
public class PyMyclassType : PyTypeObject
{
public override string Name => "my_class";
public override Type CSType => typeof(MyClass);
[PythonBinding]
public object __new__(PyTypeObject cls)
{
return new MyClass();
}
[PythonBinding(BindingType.Getter)]
public string title(MyClass value) => value.title;
[PythonBinding(BindingType.Getter)]
public string msg(MyClass value) => value.msg;
[PythonBinding(BindingType.Setter)]
public void title(MyClass value, string title) => value.title = title;
[PythonBinding(BindingType.Setter)]
public void msg(MyClass value, string msg) => value.msg = msg;
[PythonBinding]
public void print(MyClass value) => value.Print();
}
/// <summary>
/// Example of binding a custom C# class to Python.
/// </summary>
public class MyClassExample : MonoBehaviour
{
// Start is called before the first frame update
void Start()
{
var vm = new VM();
// register MyClass type into the builtins module
vm.RegisterType(new PyMyclassType(), vm.builtins);
vm.Exec("print(my_class)", "main.py"); // <class 'my_class'>
vm.Exec("c = my_class()", "main.py");
vm.Exec("c.title = 'Greeting'", "main.py");
vm.Exec("c.msg = 'Hello, world!'", "main.py");
string title = vm.Eval("c.title").ToString();
string msg = vm.Eval("c.msg").ToString();
Debug.Log(title + ": " + msg); // Greeting: Hello, world!
vm.Exec("c.print()", "main.py"); // Greeting: Hello, world!
}
}
}