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Airport/assets/scripts/airplane.toy

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import node;
//constants
var SPEED: int const = 5;
//variables
var parent: opaque = null; //cache the parent for quick access
var posX: int = 50;
var posY: int = 50;
var WIDTH: int const = 143;
var HEIGHT: int const = 75;
var xspeed: int = 0;
var yspeed: int = 0;
//accessors - variables are private, functions are public
fn getX(node: opaque) {
return posX;
}
fn getY(node: opaque) {
return posY;
}
//lifecycle functions
fn onLoad(node: opaque) {
print "onLoad() called";
}
fn onInit(node: opaque) {
print "onInit() called";
parent = node.getParentNode();
node.loadNodeTexture("sprites:/little_plane.png");
}
fn onStep(node: opaque) {
// print "onStep() called";
posX += xspeed;
posY += yspeed;
}
fn onFree(node: opaque) {
print "onFree() called";
node.freeNodeTexture();
}
fn onDraw(node: opaque) {
// print "onDraw() called";
var px = 0;
var py = 0;
if (parent != null) {
px = parent.callNodeFn("getX");
py = parent.callNodeFn("getY");
}
node.drawNode(posX + px, posY + py, WIDTH, HEIGHT);
}
//event functions
fn onKeyDown(node: opaque, event: string) {
if (event == "character_up") {
yspeed -= SPEED;
return;
}
if (event == "character_down") {
yspeed += SPEED;
return;
}
if (event == "character_left") {
xspeed -= SPEED;
return;
}
if (event == "character_right") {
xspeed += SPEED;
return;
}
}
fn onKeyUp(node: opaque, event: string) {
if (event == "character_up" && yspeed < 0) {
yspeed = 0;
return;
}
if (event == "character_down" && yspeed > 0) {
yspeed = 0;
return;
}
if (event == "character_left" && xspeed < 0) {
xspeed = 0;
return;
}
if (event == "character_right" && xspeed > 0) {
xspeed = 0;
return;
}
}
fn onMouseMotion(node: opaque, x: int, y: int, xrel: int, yrel: int) {
// print "entity.toy:onMouseMotion(" + string x + ", " + string y + ", " + string xrel + ", " + string yrel + ")";
}
fn onMouseButtonDown(node: opaque, x: int, y: int, button: string) {
// print "entity.toy:onMouseButtonDown(" + string x + ", " + string y + ", " + button + ")";
//jump to pos
posX = x - WIDTH / 2;
posY = y - HEIGHT / 2;
}
fn onMouseButtonUp(node: opaque, x: int, y: int, button: string) {
// print "entity.toy:onMouseButtonUp(" + string x + ", " + string y + ", " + button + ")";
}
fn onMouseWheel(node: opaque, xrel: int, yrel: int) {
// print "entity.toy:onMouseWheel(" + string xrel + ", " + string yrel + ")";
}