daScript/examples/tutorial/tutorial04.das at master · ilyabelow/daScript · GitHub

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require tutorial_04

// uncomment the section to generate C++ bindings for the TutorialBaseClass

// this code will generate tutorial04_gen.inc which contains C++ bindings

require fio

require ast

require daslib/cpp_bind

[init]

def generate_cpp_bindings

let root = get_das_root() + "/examples/tutorial/"

fopen(root + "tutorial04_gen.inc","wb") <| $ ( cpp_file )

log_cpp_class_adapter(cpp_file, "TutorialBaseClass", typeinfo(ast_typedecl type<TutorialBaseClass>))

require rtti

class ExampleObject : TutorialBaseClass

position : float3

velocity : float3

gravity : float = 9.8f

name : string

def override update ( dt : float ) : void

print("update {name} for {dt}\n")

position += velocity * dt

velocity.y -= gravity * dt

def override get_position : float3

print("get position for {name} => {position}\n")

return position

def add_new_object ( classPtr )

add_object(classPtr, class_info(*classPtr))

[export]

def test

print("this tutorial shows possible implementation for deriving from C++ base class\n")

print("tick = {tick(0.0)}\n")

add_new_object ( new [[ExampleObject() name="A"]] )

for t in range(5)

print("tick = {tick(0.2)}\n")

add_new_object ( new [[ExampleObject() name="B"]] )

for t in range(5)

print("tick = {tick(0.2)}\n")

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