topical media & game development
student-papervision-samples-CF07.ax
student-papervision-samples-CF07.ax
[swf]
flex
package {
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.scenes.Scene3D;
import student_papervision_samples_PaperBase;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.materials.WireframeMaterial;
import org.papervision3d.objects.primitives.Cube;
import org.papervision3d.objects.primitives.Sphere;
import org.papervision3d.objects.primitives.Plane;
import org.papervision3d.objects.parsers.MD2;
import org.papervision3d.cameras.Camera3D;
import org.papervision3d.materials.BitmapFileMaterial;
import caurina.transitions.Tweener;
import flash.events.KeyboardEvent;
import flash.events.MouseEvent;
import flash.text.TextField;
import flash.text.TextFormat;
public class @ax-student-papervision-samples-CF07 extends student_papervision_samples_PaperBase {
public var updown:Boolean = false;
public var leftdown:Boolean = false;
public var downdown:Boolean = false;
public var rightdown:Boolean = false;
public var spacedown:Boolean = false;
public var standing:Boolean = true;
public var gameStart:Boolean = false;
public var speed:Number = 150; // Here you can set the speed of the object.
public var text:TextField = new TextField();
public var rotationPosition:Number = 0;
public var rotationGoal:Number = 0;
public var rotationBase:Number = 0;
private var fontstyle:TextFormat = new TextFormat("Arial", 44, 0x000000);
private var startgameFontstyle:TextFormat = new TextFormat("Georgia",64,0x000000);
private var endgameFontstyle:TextFormat = new TextFormat("Georgia",128,0x000000);
private var sheepSphere:Sphere;
private var penguinSphere:Sphere;
private var bullets:Array = new Array(10);
private var bulletsCounter:Number = 0;
private var enemyBullets:Array = new Array(10);
private var enemyBulletsCounter:Number = 0;
private var enemyBulletsInterval:Number = 25;
private var endgameScene:Scene3D = new Scene3D();
private var mat:FlatShadeMaterial = new FlatShadeMaterial(new PointLight3D(), 0xFFFFFF, 0x444444);
private var mat2:WireframeMaterial = new WireframeMaterial(0x00FF00);
private var bulletBox:DisplayObject3D;
private var sheepTexture:BitmapFileMaterial = new BitmapFileMaterial("Sheep.png"); // here you can set the texture image for the player-model
private var penguinTexture:BitmapFileMaterial = new BitmapFileMaterial("Penguin.png"); // here you can set the texture image for the penguin
private var groundTexture:BitmapFileMaterial = new BitmapFileMaterial("grass2.jpg");
private var plane:Plane = new Plane(groundTexture, 2000, 2000, 10, 10);
private var sheep:MD2 = new MD2(true); //if you get errors try using false - it may be a single frame file (no animation)
private var penguin:MD2 = new MD2(true);
private var bottom:Boolean = false;
private var endGame:Boolean = false;
public function @ax-student-papervision-samples-CF07() {
init(600, 300);
stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);
}
override protected function init3d():void{
//plane.material.lineColor = 0x777777;
plane.material.doubleSided = true;
plane.pitch(90);
plane.y = -50;
default_scene.addChild(plane);
default_camera.x = 0;
default_camera.z = 1000;
default_camera.y = 1000;
sheep.load("sheep-walk.md2", sheepTexture); // This piece of code loads in the .md2-model
sheep.y = 200;
sheep.scale = 13;
sheep.rotationX = -90;
default_scene.addChild(sheep);
for (var i:Number = 0; i < 10; i++) {
bullets[i] = new Sphere(mat, 25, 10, 10);
enemyBullets[i] = new Sphere(mat, 25, 10, 10);
}
penguin.load("penguin.md2", penguinTexture); // This piece of code loads in the .md2-model
penguin.y = 150;
penguin.x = -300;
penguin.z = 300;
penguin.scale = 9;
penguin.rotationX = -90;
default_scene.addChild(penguin);
Tweener.addTween(sheep, { x: -500, z: -500, time:2, onComplete: randomize } );
sheepSphere = new Sphere(mat, 75, 10, 10);
sheepSphere.x = sheep.x;
sheepSphere.y = sheep.y;
sheepSphere.z = sheep.z;
penguinSphere = new Sphere(mat, 50, 10, 10);
penguinSphere.x = penguin.x;
penguinSphere.y = penguin.y;
penguinSphere.z = penguin.z;
}
override protected function init2d():void {
addChild(text);
text.selectable = false;
text.x = 0;
text.y = 150;
text.width = 800;
text.height = 300;
text.text = "Click Here To Start";
text.setTextFormat(startgameFontstyle);
text.addEventListener( MouseEvent.CLICK, onClick);
}
public function randomize():void {
}
public function reset():void {
bottom = false;
}
private function onClick( e:MouseEvent ):void {
gameStart = true;
text.setTextFormat(fontstyle);
text.width = 800;
text.height = 300;
text.x = 0;
text.y = 0;
text.text = "Multimedia Authoring - ~vr0815";
text.removeEventListener(MouseEvent.CLICK, onClick);
}
public function onKeyDown( event:KeyboardEvent ):void {
switch(event.keyCode) {
case 32:
spacedown = true;
break;
case 38:
updown = true;
break;
case 37:
leftdown = true;
break;
case 40:
downdown = true;
break;
case 39:
rightdown = true;
break;
}
}
public function onKeyUp( event:KeyboardEvent ):void {
switch(event.keyCode) {
case 32:
spacedown = false;
break;
case 38:
updown = false;
break;
case 37:
leftdown = false;
break;
case 40:
downdown = false;
break;
case 39:
rightdown = false;
break;
}
}
override protected function processFrame():void {
if(gameStart) {
var xp:Number = 0;
var yp:Number = 0;
var zp:Number = 0;
if(rotationBase == rotationPosition % 360) {
if (updown && leftdown) {
xp = sheep.x + speed;
yp = sheep.z + speed;
rotationGoal = 315; // RotationGoal keeps track of which direction you want to rotate to, in degrees.
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (updown && rightdown) {
xp = sheep.x + speed;
yp = sheep.z - speed;
rotationGoal = 45;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (downdown && leftdown) {
xp = sheep.x - speed;
yp = sheep.z + speed;
rotationGoal = 225;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (downdown && rightdown) {
xp = sheep.x - speed;
yp = sheep.z - speed;
rotationGoal = 135;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (updown) {
xp = sheep.x + speed;
yp = sheep.z;
rotationGoal = 0;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (downdown) {
xp = sheep.x - speed;
yp = sheep.z;
rotationGoal = 180;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (leftdown) {
xp = sheep.x;
yp = sheep.z + speed;
rotationGoal = 270;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
} else if (rightdown) {
xp = sheep.x;
yp = sheep.z - speed;
rotationGoal = 90;
Tweener.addTween(sheep, { x:xp, z:yp, time:2, onComplete: randomize } );
}
}
if (rotationPosition % 360 != rotationGoal) { //this piece of code rotates the player left or right, depending on which route is shorter.
if((((rotationBase % 360 - rotationGoal) < 0) && ((rotationBase % 360 - rotationGoal) > -181)) || ((rotationBase % 360 - rotationGoal) > 180)) {
sheep.rotationY = sheep.rotationY + 15;
rotationPosition = rotationPosition + 15;
} else {
sheep.rotationY = sheep.rotationY - 15;
rotationPosition = rotationPosition - 15;
}
} else {
rotationBase = rotationPosition % 360;
}
if (updown || downdown || leftdown || rightdown) { // this piece of code animates the sheep if it's walking
if(standing) {
sheep.play();
standing = false;
}
} else {
sheep.stop();
standing = true;
}
if (sheep.hitTestObject(plane) == false && bottom == false) { //this piece of code attempts some basic gravity
yp = sheep.y - speed * 5;
Tweener.addTween(sheep, { y:yp, time:2 } )
}
for (var i:Number = 0; i < 10; i++) { // If you're hit by an enemy projectile:
if (enemyBullets[i].hitTestObject(sheepSphere) && endGame == false) {
text.text = "Game Over!";
current_scene = endgameScene;
text.setTextFormat(endgameFontstyle);
text.x = 0;
text.y = 150;
endGame = true;
}
}
for (var j:Number = 0; j < 10; j++) { // If the enemy is hit by one of your projectiles:
if(bullets[j].hitTestObject(penguinSphere) && endGame == false) {
current_scene = endgameScene;
text.text = "You Won!";
text.setTextFormat(endgameFontstyle);
text.x = 0;
text.y = 150;
endGame = true;
}
}
if (spacedown) { // When space is pressed: shoot
xp = Math.cos((Math.PI / 180) * (rotationPosition % 360)) * 20000;
yp = Math.sin((Math.PI / 180) * (rotationPosition % 360)) * -20000;
bullets[bulletsCounter].x = sheep.x;
bullets[bulletsCounter].y = penguin.y;
bullets[bulletsCounter].z = sheep.z;
default_scene.addChild(bullets[bulletsCounter]);
spacedown = false;
Tweener.addTween(bullets[bulletsCounter], { x:xp, z:yp, time:100 } )
bulletsCounter = (bulletsCounter + 1) % 10;
}
if (enemyBulletsInterval == 0) { // This piece of code handles the enemy projectiles
xp = (penguin.x - sheepSphere.x) * -20;
zp = (penguin.z - sheepSphere.z) * -20;
enemyBullets[enemyBulletsCounter].x = penguin.x;
enemyBullets[enemyBulletsCounter].y = sheepSphere.y;
enemyBullets[enemyBulletsCounter].z = penguin.z;
default_scene.addChild(enemyBullets[enemyBulletsCounter]);
Tweener.addTween(enemyBullets[enemyBulletsCounter], { x:xp, z:zp, time:100 } )
enemyBulletsCounter = (enemyBulletsCounter + 1) % 10;
enemyBulletsInterval = 50;
}
if (sheep.y < -10000) { //this piece of code handles simple gravity.
bottom = true;
Tweener.addTween(sheep, { x:0, y:200, z:0, time:2, onComplete: reset } )
}
//these pieces of code update some values, for example keeping the camera looking at the sheep.
Tweener.addTween(default_camera, { x:sheep.x - 800, z:sheep.z, time:2, onComplete: randomize } )
Tweener.addTween(sheepSphere, { x:sheep.x, y:sheep.y, z:sheep.z, time:2 } )
rotationPosition = rotationPosition % 360;
if (rotationPosition < 0) {
rotationPosition = rotationPosition + 360;
}
enemyBulletsInterval = enemyBulletsInterval - 1;
default_camera.lookAt(sheep);
}
}
}
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
