forked from: flash on 2011-6-17
forked from flash on 2011-6-17 (diff: 247)
ActionScript3 source code
/**
* Copyright shaktool ( http://wonderfl.net/user/shaktool )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/tAva
*/
package {
import flash.display.Sprite;
import flash.events.*;
import flash.geom.*;
import flash.events.KeyboardEvent;
import flash.ui.Keyboard;
public class FlashTest extends Sprite {
private const historyLength: int = 20;
private var leftHeld: Array = [false, false];
private var rightHeld: Array = [false, false];
private var upHeld: Array = [false, false];
private var downHeld: Array = [false, false];
private var localPos: Array = [new Point(), new Point()];
private var localVel: Array = [new Point(), new Point()];
private var localRes: Array = [false, false];
private var remotePos: Array = [new Point(), new Point()];
private var remoteVel: Array = [new Point(), new Point()];
private var receivedPos: Array = [new Point(), new Point()];
private var receivedVel: Array = [new Point(), new Point()];
private var receivedRes: Array = [0.0, 0.0];
private var interpolatedPos: Array = [new Point(), new Point()];
private var interpolatedVel: Array = [new Point(), new Point()];
private var oldPos: Array = [[], []];
private var oldVel: Array = [[], []];
private var oldRes: Array = [[], []];
private var timer: int = 0;
public function FlashTest() {
for (var i: int = 0; i < historyLength * 2; i++) {
oldPos[0].push(new Point());
oldPos[1].push(new Point());
oldVel[0].push(new Point());
oldVel[1].push(new Point());
oldRes[0].push(0.0);
oldRes[1].push(0.0);
}
addEventListener(Event.ENTER_FRAME, onEnterFrame);
stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyPressed);
stage.addEventListener(KeyboardEvent.KEY_UP, onKeyReleased);
}
private function onKeyPressed(event: KeyboardEvent): void {
switch (event.keyCode) {
case Keyboard.LEFT :
leftHeld[0] = true;
break;
case Keyboard.RIGHT :
rightHeld[0] = true;
break;
case Keyboard.UP :
upHeld[0] = true;
break;
case Keyboard.DOWN :
downHeld[0] = true;
break;
case Keyboard.A :
leftHeld[1] = true;
break;
case Keyboard.S :
downHeld[1] = true;
break;
case Keyboard.D :
rightHeld[1] = true;
break;
case Keyboard.W :
upHeld[1] = true;
break;
}
}
private function onKeyReleased(event: KeyboardEvent): void {
switch (event.keyCode) {
case Keyboard.LEFT :
leftHeld[0] = false;
break;
case Keyboard.RIGHT :
rightHeld[0] = false;
break;
case Keyboard.UP :
upHeld[0] = false;
break;
case Keyboard.DOWN :
downHeld[0] = false;
break;
case Keyboard.A :
leftHeld[1] = false;
break;
case Keyboard.S :
downHeld[1] = false;
break;
case Keyboard.D :
rightHeld[1] = false;
break;
case Keyboard.W :
upHeld[1] = false;
break;
}
}
private function onEnterFrame(event: Event): void {
var dt: Number = 1.0 / 30.0;
graphics.clear();
for (var i: int = 0; i < 2; i++) {
if (timer == 0) {
receivedPos[i] = oldPos[1-i][historyLength];
receivedVel[i] = oldVel[1-i][historyLength];
receivedRes[i] = oldRes[1-i][historyLength];
receivedRes[i] -= historyLength / 50.0;
var leadRatio: Number = Math.min(1.0, localRes[i]) * 0.5 + Math.max(0.0, 1.0 - receivedRes[i]) * 0.5;
receivedPos[i].x += (receivedVel[i].x * (1.0 - leadRatio) + oldVel[i][0].x * leadRatio) * dt * historyLength;
receivedPos[i].y += (receivedVel[i].y * (1.0 - leadRatio) + oldVel[i][0].y * leadRatio) * dt * historyLength;
//receivedPos[i].x += (receivedVel[i].x + oldVel[i][0].x) * 0.5 * dt * historyLength;
//receivedPos[i].y += (receivedVel[i].y + oldVel[i][0].y) * 0.5 * dt * historyLength;
//receivedPos[i].x += receivedVel[i].x * dt * historyLength;
//receivedPos[i].y += receivedVel[i].y * dt * historyLength;
}
if (leftHeld[i]) localVel[i].x -= dt * 10.0;
if (rightHeld[i]) localVel[i].x += dt * 10.0;
if (upHeld[i]) localVel[i].y -= dt * 10.0;
if (downHeld[i]) localVel[i].y += dt * 10.0;
if (leftHeld[i] || rightHeld[i] || upHeld[i] || downHeld[i]) localRes[i] = 2.0;
localRes[i] -= 1.0/50.0;
receivedRes[i] -= 1.0/50.0;
if (localRes[i] < 0.0) localRes[i] = 0.0;
if (receivedRes[i] < 0.0) receivedRes[i] = 0.0;
if (localVel[i].length > 5.0) localVel[i].normalize(5.0);
var leadRatio: Number = Math.min(1.0, localRes[i]) * 0.5 + Math.max(0.0, 1.0 - receivedRes[i]) * 0.5;
var tempLocalVel: Point = new Point(oldVel[i][historyLength].x, oldVel[i][historyLength].y);
var tempRemoteVel: Point = new Point(interpolatedVel[i].x, interpolatedVel[i].y);
localVel[i].x += (tempRemoteVel.x - localVel[i].x) * dt * 2.0 * (1.0 - leadRatio);
localVel[i].y += (tempRemoteVel.y - localVel[i].y) * dt * 2.0 * (1.0 - leadRatio);
remoteVel[i].x += (tempLocalVel.x - remoteVel[i].x) * dt * 2.0 * leadRatio;
remoteVel[i].y += (tempLocalVel.y - remoteVel[i].y) * dt * 2.0 * leadRatio;
interpolatedVel[i].x += (tempLocalVel.x - interpolatedVel[i].x) * dt * 2.0 * leadRatio;
interpolatedVel[i].y += (tempLocalVel.y - interpolatedVel[i].y) * dt * 2.0 * leadRatio;
receivedVel[i].x += (tempLocalVel.x - receivedVel[i].x) * dt * 2.0 * leadRatio;
receivedVel[i].y += (tempLocalVel.y - receivedVel[i].y) * dt * 2.0 * leadRatio;
localPos[i].x += localVel[i].x * dt;
localPos[i].y += localVel[i].y * dt;
remotePos[i].x += remoteVel[i].x * dt;
remotePos[i].y += remoteVel[i].y * dt;
interpolatedPos[i].x += (interpolatedVel[i].x * (1.0 - leadRatio) + oldVel[i][historyLength].x * leadRatio) * dt;
interpolatedPos[i].y += (interpolatedVel[i].y * (1.0 - leadRatio) + oldVel[i][historyLength].y * leadRatio) * dt;
receivedPos[i].x += (receivedVel[i].x * (1.0 - leadRatio) + oldVel[i][historyLength].x * leadRatio) * dt;
receivedPos[i].y += (receivedVel[i].y * (1.0 - leadRatio) + oldVel[i][historyLength].y * leadRatio) * dt;
interpolatedPos[i].x += (receivedPos[i].x - interpolatedPos[i].x) * dt * 3.0;
interpolatedPos[i].y += (receivedPos[i].y - interpolatedPos[i].y) * dt * 3.0;
interpolatedVel[i].x += (receivedVel[i].x - interpolatedVel[i].x) * dt * 5.0;
interpolatedVel[i].y += (receivedVel[i].y - interpolatedVel[i].y) * dt * 5.0;
remotePos[i].x += (interpolatedPos[i].x - remotePos[i].x) * dt * 3.0;
remotePos[i].y += (interpolatedPos[i].y - remotePos[i].y) * dt * 3.0;
remoteVel[i].x += (interpolatedVel[i].x - remoteVel[i].x) * dt * 5.0;
remoteVel[i].y += (interpolatedVel[i].y - remoteVel[i].y) * dt * 5.0;
var armLength: Number = 2.0;
var distance: Point = new Point();
distance.x = remotePos[i].x - localPos[i].x;
distance.y = remotePos[i].y - localPos[i].y;
var length: Number = distance.length;
var extra: Number = length > armLength ? length - armLength : 0.0;
if (extra != 0.0) {
localPos[i].x += distance.x * (extra / length) * (1.0 - leadRatio);
localPos[i].y += distance.y * (extra / length) * (1.0 - leadRatio);
remotePos[i].x -= distance.x * (extra / length) * leadRatio;
remotePos[i].y -= distance.y * (extra / length) * leadRatio;
}
oldPos[i].push(new Point(localPos[i].x, localPos[i].y));
oldPos[i].shift();
oldVel[i].push(new Point(localVel[i].x, localVel[i].y));
oldVel[i].shift();
oldRes[i].push(localRes[i]);
oldRes[i].shift();
//if (i == 0) continue;
graphics.beginFill(0x00, leadRatio);
graphics.drawCircle(10 + i * 20, 10, 10);
graphics.endFill();
graphics.beginFill([0xff0000, 0x00aa00][i]);
graphics.drawCircle(localPos[i].x * 10.0 + 200.0, localPos[i].y * 10.0 + 200.0, 5.0);
graphics.endFill();
graphics.lineStyle(1, [0xff0000, 0x00aa00][i]);
graphics.moveTo(localPos[i].x * 10.0 + 200.0, localPos[i].y * 10.0 + 200.0);
graphics.lineTo(localPos[i].x * 10.0 + 200.0 + localVel[i].x * 2.0, localPos[i].y * 10.0 + 200.0 + localVel[i].y * 5.0);
graphics.lineStyle();
graphics.beginFill([0xff0000, 0x00aa00][1-i]);
graphics.drawCircle(remotePos[i].x * 10.0 + 200.0, remotePos[i].y * 10.0 + 200.0, 3.0);
graphics.endFill();
graphics.lineStyle(1, [0xff0000, 0x00aa00][1-i]);
graphics.moveTo(remotePos[i].x * 10.0 + 200.0, remotePos[i].y * 10.0 + 200.0);
graphics.lineTo(remotePos[i].x * 10.0 + 200.0 + remoteVel[i].x * 2.0, remotePos[i].y * 10.0 + 200.0 + remoteVel[i].y * 5.0);
/*
graphics.lineStyle();
graphics.lineStyle(1, [0xff0000, 0x00aa00][1-i]);
graphics.drawCircle(receivedPos[i].x * 10.0 + 200.0, receivedPos[i].y * 10.0 + 200.0, 4.0);
graphics.moveTo(receivedPos[i].x * 10.0 + 200.0, receivedPos[i].y * 10.0 + 200.0);
graphics.lineTo(receivedPos[i].x * 10.0 + 200.0 + receivedVel[i].x * 2.0, receivedPos[i].y * 10.0 + 200.0 + receivedVel[i].y * 5.0);
graphics.lineStyle();
*/
}
if (timer == 0) {
timer += historyLength;
}
timer--;
}
}
}