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3dLightCycles.html
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3dLightCycles.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta charset="utf-8">
<title>3dLightCycles</title>
<style>
html, body {
width: 100%;
height: 100%;
background-color: rgb(0, 0, 0);
margin: 0;
padding: 0;
overflow: hidden;
/* touch-action: none; */
user-select: none;
-webkit-user-select: none;
}
#instructions {
font-family: arial;
font-weight: bold;
width: 100%;
height: 100%;
position: fixed;
top: 35%;
color: #ffffff;
text-align: center;
cursor: pointer;
}
#cameraButton {
position: fixed;
left: 1%;
top: 2%;
z-index: 10;
}
</style>
</head>
<body>
<div id="banner" style="position:fixed; left:0; right:0; top:5%; text-align:center; z-index: 1;
font-size:40px; font-family:arial; font-weight:bold; color:rgb(255,255,255);">
Loading...
</div>
<div id="gameover" style="position:fixed; left:0; right:0; top:25%; text-align:center; z-index: 10;
font-family:arial; font-weight:bold; color:rgb(255,255,255);">
</div>
<!--
<div id="container"></div>
-->
<input id="cameraButton" type="button" value="to Far-3rdPerson view" onclick="cameraButtonHandler()">
<div id="debug1" style="position:fixed; left:2%; top:5%; font-family:arial; font-weight:bold; color:rgb(255,255,255);">
</div>
<div id="help" style="position:fixed; left:2%; bottom:7%; font-family:arial; color:rgb(255,255,255);">
3dLightCycles
</div>
<div id="help1" style="position:fixed; left:2%; bottom:4%; font-family:arial; font-size:10px; color:grey;">
Desktop: LMouseButton: Turn L | RMouseButton: Turn R | Mouse: Camera | SPACEBAR: Accelerate | Esc: exit
</div>
<div id="help2" style="position:fixed; left:2%; bottom:1%; font-family:arial; font-size:10px; color:grey;">
Mobile: PurpleButton: Turn L | OrangeButton: Turn R | GreenButton: Accelerate | Swipe to rotate Camera
</div>
<div id="score" style="position:fixed; right:3%; top:1%; font-family:arial; font-weight:bold; color:rgb(255,255,255);">
0
</div>
<div id="sound" style="position:fixed; right:3%; top:14%; font-family:arial; font-weight:bold; color:rgb(70,70,70); border:thin solid;">
Sound: Off
</div>
<div id="instructions">
<span style="font-size:40px"></span>
</div>
<script src="js/three.min.js"></script>
<!-- <script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r71/three.min.js"></script> -->
<script src="js/ShadowMesh.js"></script>
<script src="js/threex.keyboardstate.js"></script>
<script src="js/threex.FirstPersonControls.js"></script>
<script src="js/virtualButtonJoystick.js"></script>
<script src="js/threex.GameTimer.js"></script>
<script src="js/howler.js"></script>
<script src="js/3dLightCyclesVariables.js"></script>
<script src="js/enemyAI.js"></script>
<script>
function initLevel() {
playerAlive = true;
enemyAlive = true;
// if on mobile device, unpause the game because there is no ESC key and no mouse capture to do
if ( !mouseControl )
gamePaused = false;
// initial starting position
cycle.position.set(-2, 0, 40);
// initial starting position
enemyCycle.position.set(2, 0, -30);
// initial heading and rotation
cycleDirection = NORTH;
cycleHeadingVector.copy(northVector);
// initial heading and rotation
enemyCycleDirection = SOUTH;
enemyCycleHeadingVector.copy(southVector);
enemyCycle.rotateOnAxis(upVector, Math.PI);
enemyTrailBeginning.rotation.y = south_Y_Rotation;
// trigger a 'dummy' cycleJustTurned event to start new blended trail formation
cycleJustTurned = true;
// spawn the cycle's first jet trail
spawnTrail();
// trigger a 'dummy' enemyCycleJustTurned event to start new blended trail formation
enemyCycleJustTurned = true;
// spawn the enemy cycle's first jet trail
enemySpawnTrail();
// shrink the first jet trail so we can't see it until the cycle has pulled away
northSouthTrail[northSouthTrailCount].position.z = cycle.position.z;
northSouthTrail[northSouthTrailCount].scale.set(0.001, 0.001, 0.001);
trailBeginning.scale.set(0.001, 0.001, 0.001);
trailBeginning.position.copy(cycle.position);
// shrink the enemy's first jet trail so we can't see it until the enemy cycle has pulled away
enemyNorthSouthTrail[enemyNorthSouthTrailCount].position.z = enemyCycle.position.z;
enemyNorthSouthTrail[enemyNorthSouthTrailCount].scale.set(0.001, 0.001, 0.001);
enemyTrailBeginning.scale.set(0.001, 0.001, 0.001);
enemyTrailBeginning.position.copy(enemyCycle.position);
/*
// for debug flyCam
cameraControlsObject.position.set(-5,15,40);
// look slightly downward
cameraControlsPitchObject.rotation.x = -0.4;
joystick.previousRotationX = -0.4;
*/
// for initial 3rd person view, pull the camera back a little
cameraDistance = 7;
camera.translateZ(cameraDistance);
// tilt player's camera downward
cameraControlsPitchObject.rotation.x = -0.25;
joystick.previousRotationX = -0.25;
// look in the cycle's initial direction: north
cameraControlsYawObject.rotation.y = north_Y_Rotation + 0.01;
joystick.previousRotationY = north_Y_Rotation + 0.01;
// for initial 3rd person view, pull enemy's camera back a little
enemyCameraDistance = 9;
enemyCamera.translateZ(enemyCameraDistance);
// tilt enemy's camera slightly downward
enemyCameraControlsPitchObject.rotation.x = -0.15;
// look in the enemyCycle's initial direction: south
enemyCameraControlsYawObject.rotation.y = south_Y_Rotation - 0.01;
bannerElement.innerHTML = '';
animate();
} // end function initLevel()
function animate() {
// keep looping through animate()
requestAnimationFrame(animate);
// store how much time has passed since the last animation frame
frameTime = clock.getDelta();
// RESPOND TO PLAYER INPUT //////////////////////////////////////////////////////////////////////////////////////////////
// check if joystick Stick is being moved
// uncomment the following to lock mobile camera during cycle crash animation
//if (playerAlive) {
// if not playing on desktop, get the rotation from the mobile-touch virtual Joystick
if (!mouseControl) {
cameraControlsYawObject.rotation.y = joystick.previousRotationY - joystick.deltaX() * 0.005;
cameraControlsPitchObject.rotation.x = joystick.previousRotationX - joystick.deltaY() * 0.005;
// clamp the camera's vertical movement (around the x-axis) to the 'ceiling' and 'floor',
// so you can't accidentally flip the camera upside down
cameraControlsPitchObject.rotation.x = Math.max( - PI_2, Math.min( PI_2, cameraControlsPitchObject.rotation.x ) );
}
//}
// this gives us a vector in the direction that the camera is pointing,
// which will be useful for moving the camera 'forward' and shooting projectiles in that direction
controls.getDirection(cameraRotationVector);
cameraRotationVector.normalize();
// the following gives us a rotation quaternion (4D vector), which will be useful for
// rotating scene objects to match the camera's rotation
camera.getWorldQuaternion(cameraWorldQuaternion);
/*
// allow flying camera forward
if ( keyboard.pressed('space') ) {
cameraControlsObject.localToWorld(cameraControlsObject.position);
cameraControlsObject.translateOnAxis(cameraRotationVector, 20 * frameTime);
cameraControlsObject.worldToLocal(cameraControlsObject.position);
}
*/
//if button1 is NOT pressed, reset it so we can turn again
if ( !joystick.button1Pressed ) {
canTurnRight = true;
}
//if button1 IS pressed, check to see if we can turn
if ( joystick.button1Pressed && playerAlive && enemyAlive ) {
if (canTurnRight) {
turnCycleRight = true;
//turn off ability to turn cycle so we don't rapid-fire turn
canTurnRight = false;
}
}
//if button2 is NOT pressed, reset it so we can turn again
if ( !joystick.button2Pressed ) {
canTurnLeft = true;
}
//if button2 IS pressed, check to see if we can turn
if ( joystick.button2Pressed && playerAlive && enemyAlive ) {
if (canTurnLeft) {
turnCycleLeft = true;
//turn off ability to turn cycle so we don't rapid-fire turn
canTurnLeft = false;
}
}
//if thrust button is pressed, apply thrust force in cycle's direction
if ( playerAlive && (joystick.button3Pressed || keyboard.pressed('space')) ) {
if (cycleSpeed < 50) {
cycleSpeed += 20 * frameTime;
}
//clamp cycleSpeed so we can't accelerate forever
if (cycleSpeed > 50) cycleSpeed = 50;
}
else { //no thrust is being applied, so slow the cycle down gradually
if (cycleSpeed > 21 && playerAlive) {
cycleSpeed -= 20 * frameTime;
}
else if (cycleSpeed <= 20 || !playerAlive)
cycleSpeed = 20;//if cycleSpeed is below a threshold, clamp it to default speed
}
// GAME STATE UPDATE AND LOGIC /////////////////////////////////////////////////////////////////////////////////////////////
// CHECK FOR AND HANDLE CYCLE TURNING //////////////////////////////////////////////////////////////////////////////////////
if (turnCycleLeft) {
if (cycleDirection == NORTH) {
turningWestFromNorth = true;
}
else if (cycleDirection == EAST) {
turningNorthFromEast = true;
}
else if (cycleDirection == SOUTH) {
turningEastFromSouth = true;
}
else if (cycleDirection == WEST) {
turningSouthFromWest = true;
}
}
if (turnCycleRight) {
if (cycleDirection == NORTH) {
turningEastFromNorth = true;
}
else if (cycleDirection == EAST) {
turningSouthFromEast = true;
}
else if (cycleDirection == SOUTH) {
turningWestFromSouth = true;
}
else if (cycleDirection == WEST) {
turningNorthFromWest = true;
}
}
if (enemyTurnCycleLeft) {
if (enemyCycleDirection == NORTH) {
enemyTurningWestFromNorth = true;
}
else if (enemyCycleDirection == EAST) {
enemyTurningNorthFromEast = true;
}
else if (enemyCycleDirection == SOUTH) {
enemyTurningEastFromSouth = true;
}
else if (enemyCycleDirection == WEST) {
enemyTurningSouthFromWest = true;
}
}
if (enemyTurnCycleRight) {
if (enemyCycleDirection == NORTH) {
enemyTurningEastFromNorth = true;
}
else if (enemyCycleDirection == EAST) {
enemyTurningSouthFromEast = true;
}
else if (enemyCycleDirection == SOUTH) {
enemyTurningWestFromSouth = true;
}
else if (enemyCycleDirection == WEST) {
enemyTurningNorthFromWest = true;
}
}
// turning EAST
if (turningEastFromNorth || turningEastFromSouth) {
cycleDirection = EAST;
cycleHeadingVector.copy(eastVector);
trailBeginning.rotation.y = east_Y_Rotation;
cycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (turningEastFromNorth)
trailLength = Math.abs(trailSpawnZ - cycle.position.z) - 0.02;
if (turningEastFromSouth)
trailLength = Math.abs(cycle.position.z - trailSpawnZ) - 0.02;
trailScale = trailLength / MAX_Trail_Length;
northSouthTrail[northSouthTrailCount].scale.set(1, 1, trailScale);
if (turningEastFromNorth)
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ - (trailLength / 2);
if (turningEastFromSouth)
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ + (trailLength / 2);
turningEastFromNorth = false;
turningEastFromSouth = false;
// get the correct current matrix so shadows match exactly
northSouthTrail[northSouthTrailCount].updateMatrixWorld(true);
northSouthTrailShadow[northSouthTrailCount].update( groundPlane, lightPosition4D );
spawnTrail();
// snap camera to cycle's new heading
cameraControlsYawObject.rotation.y = east_Y_Rotation + 0.01;
joystick.previousRotationY = east_Y_Rotation + 0.01;
}
// turning SOUTH
if (turningSouthFromEast || turningSouthFromWest) {
cycleDirection = SOUTH;
cycleHeadingVector.copy(southVector);
trailBeginning.rotation.y = south_Y_Rotation;
cycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (turningSouthFromEast)
trailLength = Math.abs(cycle.position.x - trailSpawnX) - 0.02;
if (turningSouthFromWest)
trailLength = Math.abs(trailSpawnX - cycle.position.x) - 0.02;
trailScale = trailLength / MAX_Trail_Length;
eastWestTrail[eastWestTrailCount].scale.set(trailScale, 1, 1);
if (turningSouthFromEast)
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX + (trailLength / 2);
if (turningSouthFromWest)
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX - (trailLength / 2);
turningSouthFromEast = false;
turningSouthFromWest = false;
eastWestTrail[eastWestTrailCount].updateMatrixWorld(true);
eastWestTrailShadow[eastWestTrailCount].update( groundPlane, lightPosition4D );
spawnTrail();
// snap camera to cycle's new heading
cameraControlsYawObject.rotation.y = south_Y_Rotation + 0.01;
joystick.previousRotationY = south_Y_Rotation + 0.01;
}
// turning WEST
if (turningWestFromNorth || turningWestFromSouth) {
cycleDirection = WEST;
cycleHeadingVector.copy(westVector);
trailBeginning.rotation.y = west_Y_Rotation;
cycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (turningWestFromSouth)
trailLength = Math.abs(cycle.position.z - trailSpawnZ) - 0.02;
if (turningWestFromNorth)
trailLength = Math.abs(trailSpawnZ - cycle.position.z) - 0.02;
trailScale = trailLength / MAX_Trail_Length;
northSouthTrail[northSouthTrailCount].scale.set(1, 1, trailScale);
if (turningWestFromSouth)
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ + (trailLength / 2);
if (turningWestFromNorth)
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ - (trailLength / 2);
turningWestFromNorth = false;
turningWestFromSouth = false;
northSouthTrail[northSouthTrailCount].updateMatrixWorld(true);
northSouthTrailShadow[northSouthTrailCount].update( groundPlane, lightPosition4D );
spawnTrail();
// snap camera to cycle's new heading
cameraControlsYawObject.rotation.y = west_Y_Rotation + 0.01;
joystick.previousRotationY = west_Y_Rotation + 0.01;
}
// turning NORTH
if (turningNorthFromEast || turningNorthFromWest) {
cycleDirection = NORTH;
cycleHeadingVector.copy(northVector);
trailBeginning.rotation.y = north_Y_Rotation;
cycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (turningNorthFromWest)
trailLength = Math.abs(trailSpawnX - cycle.position.x) - 0.02;
if (turningNorthFromEast)
trailLength = Math.abs(cycle.position.x - trailSpawnX) - 0.02;
trailScale = trailLength / MAX_Trail_Length;
eastWestTrail[eastWestTrailCount].scale.set(trailScale, 1, 1);
if (turningNorthFromWest)
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX - (trailLength / 2);
if (turningNorthFromEast)
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX + (trailLength / 2);
turningNorthFromEast = false;
turningNorthFromWest = false;
eastWestTrail[eastWestTrailCount].updateMatrixWorld(true);
eastWestTrailShadow[eastWestTrailCount].update( groundPlane, lightPosition4D );
spawnTrail();
// snap camera to cycle's new heading
cameraControlsYawObject.rotation.y = north_Y_Rotation + 0.01;
joystick.previousRotationY = north_Y_Rotation + 0.01;
}
// enemy turning EAST
if (enemyTurningEastFromNorth || enemyTurningEastFromSouth) {
enemyCycleDirection = EAST;
enemyCycleHeadingVector.copy(eastVector);
enemyTrailBeginning.rotation.y = east_Y_Rotation;
enemyCycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (enemyTurningEastFromNorth)
enemyTrailLength = Math.abs(enemyTrailSpawnZ - enemyCycle.position.z) - 0.02;
if (enemyTurningEastFromSouth)
enemyTrailLength = Math.abs(enemyCycle.position.z - enemyTrailSpawnZ) - 0.02;
enemyTrailScale = enemyTrailLength / MAX_Trail_Length;
enemyNorthSouthTrail[enemyNorthSouthTrailCount].scale.set(1, 1, enemyTrailScale);
if (enemyTurningEastFromNorth)
enemyNorthSouthTrail[enemyNorthSouthTrailCount].position.z = enemyTrailSpawnZ - (enemyTrailLength / 2);
if (enemyTurningEastFromSouth)
enemyNorthSouthTrail[enemyNorthSouthTrailCount].position.z = enemyTrailSpawnZ + (enemyTrailLength / 2);
enemyTurningEastFromNorth = false;
enemyTurningEastFromSouth = false;
// get the correct current matrix so shadows match exactly
enemyNorthSouthTrail[enemyNorthSouthTrailCount].updateMatrixWorld(true);
enemyNorthSouthTrailShadow[enemyNorthSouthTrailCount].update( groundPlane, lightPosition4D );
enemySpawnTrail();
// snap enemy's camera to enemyCycle's new heading
enemyCameraControlsYawObject.rotation.y = east_Y_Rotation - 0.01;
}
// enemy turning SOUTH
if (enemyTurningSouthFromEast || enemyTurningSouthFromWest) {
enemyCycleDirection = SOUTH;
enemyCycleHeadingVector.copy(southVector);
enemyTrailBeginning.rotation.y = south_Y_Rotation;
enemyCycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (enemyTurningSouthFromEast)
enemyTrailLength = Math.abs(enemyCycle.position.x - enemyTrailSpawnX) - 0.02;
if (enemyTurningSouthFromWest)
enemyTrailLength = Math.abs(enemyTrailSpawnX - enemyCycle.position.x) - 0.02;
enemyTrailScale = enemyTrailLength / MAX_Trail_Length;
enemyEastWestTrail[enemyEastWestTrailCount].scale.set(enemyTrailScale, 1, 1);
if (enemyTurningSouthFromEast)
enemyEastWestTrail[enemyEastWestTrailCount].position.x = enemyTrailSpawnX + (enemyTrailLength / 2);
if (enemyTurningSouthFromWest)
enemyEastWestTrail[enemyEastWestTrailCount].position.x = enemyTrailSpawnX - (enemyTrailLength / 2);
enemyTurningSouthFromEast = false;
enemyTurningSouthFromWest = false;
enemyEastWestTrail[enemyEastWestTrailCount].updateMatrixWorld(true);
enemyEastWestTrailShadow[enemyEastWestTrailCount].update( groundPlane, lightPosition4D );
enemySpawnTrail();
// snap enemy's camera to enemyCycle's new heading
enemyCameraControlsYawObject.rotation.y = south_Y_Rotation - 0.01;
}
// enemy turning WEST
if (enemyTurningWestFromNorth || enemyTurningWestFromSouth) {
enemyCycleDirection = WEST;
enemyCycleHeadingVector.copy(westVector);
enemyTrailBeginning.rotation.y = west_Y_Rotation;
enemyCycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (enemyTurningWestFromSouth)
enemyTrailLength = Math.abs(enemyCycle.position.z - enemyTrailSpawnZ) - 0.02;
if (enemyTurningWestFromNorth)
enemyTrailLength = Math.abs(enemyTrailSpawnZ - enemyCycle.position.z) - 0.02;
enemyTrailScale = enemyTrailLength / MAX_Trail_Length;
enemyNorthSouthTrail[enemyNorthSouthTrailCount].scale.set(1, 1, enemyTrailScale);
if (enemyTurningWestFromSouth)
enemyNorthSouthTrail[enemyNorthSouthTrailCount].position.z = enemyTrailSpawnZ + (enemyTrailLength / 2);
if (enemyTurningWestFromNorth)
enemyNorthSouthTrail[enemyNorthSouthTrailCount].position.z = enemyTrailSpawnZ - (enemyTrailLength / 2);
enemyTurningWestFromNorth = false;
enemyTurningWestFromSouth = false;
enemyNorthSouthTrail[enemyNorthSouthTrailCount].updateMatrixWorld(true);
enemyNorthSouthTrailShadow[enemyNorthSouthTrailCount].update( groundPlane, lightPosition4D );
enemySpawnTrail();
// snap enemy's camera to enemyCycle's new heading
enemyCameraControlsYawObject.rotation.y = west_Y_Rotation - 0.01;
}
// enemy turning NORTH
if (enemyTurningNorthFromEast || enemyTurningNorthFromWest) {
enemyCycleDirection = NORTH;
enemyCycleHeadingVector.copy(northVector);
enemyTrailBeginning.rotation.y = north_Y_Rotation;
enemyCycleJustTurned = true;
// make final measurement before we cap off the current wall and turn the cycle
if (enemyTurningNorthFromWest)
enemyTrailLength = Math.abs(enemyTrailSpawnX - enemyCycle.position.x) - 0.02;
if (enemyTurningNorthFromEast)
enemyTrailLength = Math.abs(enemyCycle.position.x - enemyTrailSpawnX) - 0.02;
enemyTrailScale = enemyTrailLength / MAX_Trail_Length;
enemyEastWestTrail[enemyEastWestTrailCount].scale.set(enemyTrailScale, 1, 1);
if (enemyTurningNorthFromWest)
enemyEastWestTrail[enemyEastWestTrailCount].position.x = enemyTrailSpawnX - (enemyTrailLength / 2);
if (enemyTurningNorthFromEast)
enemyEastWestTrail[enemyEastWestTrailCount].position.x = enemyTrailSpawnX + (enemyTrailLength / 2);
enemyTurningNorthFromEast = false;
enemyTurningNorthFromWest = false;
enemyEastWestTrail[enemyEastWestTrailCount].updateMatrixWorld(true);
enemyEastWestTrailShadow[enemyEastWestTrailCount].update( groundPlane, lightPosition4D );
enemySpawnTrail();
// snap enemy's camera to enemyCycle's new heading
enemyCameraControlsYawObject.rotation.y = north_Y_Rotation - 0.01;
}
// UPDATE CYCLE ORIENTATION AND POSITION ////////////////////////////////////////////////////////////////////////////
if (playerAlive && enemyAlive && !gamePaused) {
// keep cycles' positions stable, due to floating point error
if (cycleDirection == NORTH) cycle.position.x = trailSpawnX;
else if (cycleDirection == SOUTH) cycle.position.x = trailSpawnX;
else if (cycleDirection == EAST) cycle.position.z = trailSpawnZ;
else if (cycleDirection == WEST) cycle.position.z = trailSpawnZ;
if (enemyCycleDirection == NORTH) enemyCycle.position.x = enemyTrailSpawnX;
else if (enemyCycleDirection == SOUTH) enemyCycle.position.x = enemyTrailSpawnX;
else if (enemyCycleDirection == EAST) enemyCycle.position.z = enemyTrailSpawnZ;
else if (enemyCycleDirection == WEST) enemyCycle.position.z = enemyTrailSpawnZ;
// update cycle position
cycle.localToWorld(cycle.position);
if ( !turnCycleRight && !turnCycleLeft ) {
cycle.translateOnAxis(cycleHeadingVector, cycleSpeed * frameTime);
}
// if cycle has turned, update its orientation
cycle.worldToLocal(cycle.position);
if (turnCycleRight) {
cycle.rotateOnAxis(upVector, -PI_2);
turnCycleRight = false;
}
else if (turnCycleLeft) {
cycle.rotateOnAxis(upVector, PI_2);
turnCycleLeft = false;
}
// update enemyCycle position
enemyCycle.localToWorld(enemyCycle.position);
if ( !enemyTurnCycleRight && !enemyTurnCycleLeft ) {
enemyCycle.translateOnAxis(enemyCycleHeadingVector, enemyCycleSpeed * frameTime);
}
// if cycle has turned, update its orientation
enemyCycle.worldToLocal(enemyCycle.position);
if (enemyTurnCycleRight) {
enemyCycle.rotateOnAxis(upVector, -PI_2);
enemyTurnCycleRight = false;
}
else if (enemyTurnCycleLeft) {
enemyCycle.rotateOnAxis(upVector, PI_2);
enemyTurnCycleLeft = false;
}
// update the cycle's matrix now before shadows areare set (instead of at render time),
// so that the shadows line up exactly with the cycle
cycle.updateMatrixWorld(true);
enemyCycle.updateMatrixWorld(true);
// UPDATE TRAILS //////////////////////////////////////////////////////////////////////////////////////////////////////
// based on cycleDirection, update the current trail
if (cycleDirection == NORTH) {
// record the distance between the cycle and its trail spawn point when it turned or started the match
cycleTrailSpawnDistance = Math.abs(trailSpawnZ - cycle.position.z) + 0.001;
if (animatingBlendedTrail) {
// if the cycle is far enough away from the active trail spawn point,
// make the white->cycleColor blended beginning trail start closely following the back wheel of the cycle
if (cycleTrailSpawnDistance > 1)
trailBeginningLength = cycleTrailSpawnDistance - 1;
else
trailBeginningLength = 0.001; // else, the trail beginning doesn't have any noticable length yet
// clamp white->cycleColor blended beginning trail (nearest cycle's rear wheel) to a short length of 2 units
if (trailBeginningLength > 2.1) {
trailBeginningLength = 2.1;//2.1 instead of 2 to cover up light vertical line segment
animatingBlendedTrail = false;
//blendedBeginningTrailShadow.visible = true;
}
trailBeginningVerticalScale = (trailBeginningLength < 1.0) ? trailBeginningLength : 1;
trailBeginning.scale.set(1, trailBeginningVerticalScale, trailBeginningLength);
}
// make blended beginning trail closely follow cycle's rear wheel
trailBeginning.position.set( cycle.position.x, HALF_TRAIL_HEIGHT, cycle.position.z + 1 + (trailBeginningLength * 0.5) );
// update main trail wall
if (cycleTrailSpawnDistance > 3)
trailLength = cycleTrailSpawnDistance - 3;
else trailLength = 0.001;
// when trail wall segment reaches the MAX_Trail_Length, clamp it.
// also when this happens, it's time to spawn another trail segment
if (trailLength > MAX_Trail_Length) {
trailLength = MAX_Trail_Length;
// cap off current trail segment
northSouthTrail[northSouthTrailCount].scale.set(1, 1, 1);
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ - HALF_MAX_Trail_Length;
// get the correct current matrix so shadows match exactly
northSouthTrail[northSouthTrailCount].updateMatrixWorld(true);
northSouthTrailShadow[northSouthTrailCount].update( groundPlane, lightPosition4D );
cycleJustTurned = false;
// get the next segment ready
spawnTrail(); // spawn another trail segement in the same direction
}
trailScale = trailLength / MAX_Trail_Length;
northSouthTrail[northSouthTrailCount].scale.set(1, 1, trailScale);
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ - (trailLength / 2);
// update the current active blended trail so its shadow matches exactly
northSouthTrail[northSouthTrailCount].updateMatrixWorld(true);
// now update the current active trail's shadow
northSouthTrailShadow[northSouthTrailCount].update( groundPlane, lightPosition4D );
// update the active blended trail's collision geometry
test_NS_trailEndZ[testNSTrailCount] = cycle.position.z;
} // end if (cycleDirection == NORTH)
else if (cycleDirection == EAST) {
// record the distance between the cycle and its trail spawn point when it turned or started the match
cycleTrailSpawnDistance = Math.abs(cycle.position.x - trailSpawnX) + 0.001;
if (animatingBlendedTrail) {
// if the cycle is far enough away from the active trail spawn point,
// make the white->cycleColor blended beginning trail start closely following the back wheel of the cycle
if (cycleTrailSpawnDistance > 1)
trailBeginningLength = cycleTrailSpawnDistance - 1;
else
trailBeginningLength = 0.001; // else, the trail beginning doesn't have any noticable length yet
// clamp white->cycleColor blended beginning trail (nearest cycle's rear wheel) to a short length of 2 units
if (trailBeginningLength > 2.1) {
trailBeginningLength = 2.1;//2.1 instead of 2 to cover up light vertical line segment
animatingBlendedTrail = false;
}
trailBeginningVerticalScale = (trailBeginningLength < 1.0) ? trailBeginningLength : 1;
trailBeginning.scale.set(1, trailBeginningVerticalScale, trailBeginningLength);
}
// make blended beginning trail closely follow cycle's rear wheel
trailBeginning.position.set( cycle.position.x - ( 1 + (trailBeginningLength / 2) ), HALF_TRAIL_HEIGHT, cycle.position.z );
// update main trail wall
if (cycleTrailSpawnDistance > 3)
trailLength = cycleTrailSpawnDistance - 3;
else trailLength = 0.001;
// when trail wall segment reaches the MAX_Trail_Length, clamp it.
// also when this happens, it's time to spawn another trail segment
if (trailLength > MAX_Trail_Length) {
trailLength = MAX_Trail_Length;
// cap off current trail segment
eastWestTrail[eastWestTrailCount].scale.set(1, 1, 1);
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX + HALF_MAX_Trail_Length;
// get the correct current matrix so shadows match exactly
eastWestTrail[eastWestTrailCount].updateMatrixWorld(true);
eastWestTrailShadow[eastWestTrailCount].update( groundPlane, lightPosition4D );
cycleJustTurned = false;
// get the next segment ready
spawnTrail(); // spawn another trail segement in the same direction
}
trailScale = trailLength / MAX_Trail_Length;
eastWestTrail[eastWestTrailCount].scale.set(trailScale, 1, 1);
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX + (trailLength / 2);
// update the current active blended trail so its shadow matches exactly
eastWestTrail[eastWestTrailCount].updateMatrixWorld(true);
eastWestTrailShadow[eastWestTrailCount].update( groundPlane, lightPosition4D );
test_EW_trailEndX[testEWTrailCount] = cycle.position.x;
} // end else if (cycleDirection == EAST)
else if (cycleDirection == SOUTH) {
// record the distance between the cycle and its trail spawn point when it turned or started the match
cycleTrailSpawnDistance = Math.abs(cycle.position.z - trailSpawnZ) + 0.001;
if (animatingBlendedTrail) {
// if the cycle is far enough away from the active trail spawn point,
// make the white->cycleColor blended beginning trail start closely following the back wheel of the cycle
if (cycleTrailSpawnDistance > 1)
trailBeginningLength = cycleTrailSpawnDistance - 1;
else
trailBeginningLength = 0.001; // else, the trail beginning doesn't have any noticable length yet
// clamp white->cycleColor blended beginning trail (nearest cycle's rear wheel) to a short length of 2 units
if (trailBeginningLength > 2.1) {
trailBeginningLength = 2.1;//2.1 instead of 2 to cover up light vertical line segment
animatingBlendedTrail = false;
}
trailBeginningVerticalScale = (trailBeginningLength < 1.0) ? trailBeginningLength : 1;
trailBeginning.scale.set(1, trailBeginningVerticalScale, trailBeginningLength);
}
// make blended beginning trail closely follow cycle's rear wheel
trailBeginning.position.set( cycle.position.x, HALF_TRAIL_HEIGHT, cycle.position.z - 1 - (trailBeginningLength / 2) );
// update main trail wall
if (cycleTrailSpawnDistance > 3)
trailLength = cycleTrailSpawnDistance - 3;
else trailLength = 0.001;
// when trail wall segment reaches the MAX_Trail_Length, clamp it.
// also when this happens, it's time to spawn another trail segment
if (trailLength > MAX_Trail_Length) {
trailLength = MAX_Trail_Length;
// cap off current trail segment
northSouthTrail[northSouthTrailCount].scale.set(1, 1, 1);
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ + HALF_MAX_Trail_Length;
// get the correct current matrix so shadows match exactly
northSouthTrail[northSouthTrailCount].updateMatrixWorld(true);
northSouthTrailShadow[northSouthTrailCount].update( groundPlane, lightPosition4D );
cycleJustTurned = false;
// get the next segment ready
spawnTrail(); // spawn another trail segement in the same direction
}
trailScale = trailLength / MAX_Trail_Length;
northSouthTrail[northSouthTrailCount].scale.set(1, 1, trailScale);
northSouthTrail[northSouthTrailCount].position.z = trailSpawnZ + (trailLength / 2);
// update the current active blended trail so its shadow matches exactly
northSouthTrail[northSouthTrailCount].updateMatrixWorld(true);
// now update the current active trail's shadow
northSouthTrailShadow[northSouthTrailCount].update( groundPlane, lightPosition4D );
test_NS_trailEndZ[testNSTrailCount] = cycle.position.z;
} // end else if (cycleDirection == SOUTH)
else if (cycleDirection == WEST) {
// record the distance between the cycle and its trail spawn point when it turned or started the match
cycleTrailSpawnDistance = Math.abs(trailSpawnX - cycle.position.x) + 0.001;
if (animatingBlendedTrail) {
// if the cycle is far enough away from the active trail spawn point,
// make the white->cycleColor blended beginning trail start closely following the back wheel of the cycle
if (cycleTrailSpawnDistance > 1)
trailBeginningLength = cycleTrailSpawnDistance - 1;
else
trailBeginningLength = 0.001; // else, the trail beginning doesn't have any noticable length yet
// clamp white->cycleColor blended beginning trail (nearest cycle's rear wheel) to a short length of 2 units
if (trailBeginningLength > 2.1) {
trailBeginningLength = 2.1;//2.1 instead of 2 to cover up light vertical line segment
animatingBlendedTrail = false;
}
trailBeginningVerticalScale = (trailBeginningLength < 1.0) ? trailBeginningLength : 1;
trailBeginning.scale.set(1, trailBeginningVerticalScale, trailBeginningLength);
}
// make blended beginning trail closely follow cycle's rear wheel
trailBeginning.position.set( cycle.position.x + ( 1 + (trailBeginningLength / 2) ), HALF_TRAIL_HEIGHT, cycle.position.z );
// update main trail wall
if (cycleTrailSpawnDistance > 3)
trailLength = cycleTrailSpawnDistance - 3;
else trailLength = 0.001;
// when trail wall segment reaches the MAX_Trail_Length, clamp it.
// also when this happens, it's time to spawn another trail segment
if (trailLength > MAX_Trail_Length) {
trailLength = MAX_Trail_Length;
// cap off current trail segment
eastWestTrail[eastWestTrailCount].scale.set(1, 1, 1);
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX - HALF_MAX_Trail_Length;
// get the correct current matrix so shadows match exactly
eastWestTrail[eastWestTrailCount].updateMatrixWorld(true);
eastWestTrailShadow[eastWestTrailCount].update( groundPlane, lightPosition4D );
cycleJustTurned = false;
// get the next segment ready
spawnTrail(); // spawn another trail segement in the same direction
}
trailScale = trailLength / MAX_Trail_Length;
eastWestTrail[eastWestTrailCount].scale.set(trailScale, 1, 1);
eastWestTrail[eastWestTrailCount].position.x = trailSpawnX - (trailLength / 2);
// update the current active blended trail so its shadow matches exactly
eastWestTrail[eastWestTrailCount].updateMatrixWorld(true);
eastWestTrailShadow[eastWestTrailCount].update( groundPlane, lightPosition4D );
test_EW_trailEndX[testEWTrailCount] = cycle.position.x;
} // end else if (cycleDirection == WEST)
// UPDATE ENEMY CYCLE's TRAILS
if (enemyCycleDirection == NORTH) {
// record the distance between the cycle and its trail spawn point when it turned or started the match
enemyCycleTrailSpawnDistance = Math.abs(enemyTrailSpawnZ - enemyCycle.position.z) + 0.001;
if (enemyAnimatingBlendedTrail) {
// if the cycle is far enough away from the active trail spawn point,
// make the white->cycleColor blended beginning trail start closely following the back wheel of the cycle
if (enemyCycleTrailSpawnDistance > 1)
enemyTrailBeginningLength = enemyCycleTrailSpawnDistance - 1;
else
enemyTrailBeginningLength = 0.001; // else, the trail beginning doesn't have any noticable length yet
// clamp white->cycleColor blended beginning trail (nearest cycle's rear wheel) to a short length of 2 units
if (enemyTrailBeginningLength > 2.1) {
enemyTrailBeginningLength = 2.1;//2.1 instead of 2 to cover up light vertical line segment
enemyAnimatingBlendedTrail = false;
}
enemyTrailBeginningVerticalScale = (enemyTrailBeginningLength < 1.0) ? enemyTrailBeginningLength : 1;
enemyTrailBeginning.scale.set(1, enemyTrailBeginningVerticalScale, enemyTrailBeginningLength);
}
// make blended beginning trail closely follow cycle's rear wheel
enemyTrailBeginning.position.set( enemyCycle.position.x, HALF_TRAIL_HEIGHT, enemyCycle.position.z + 1 + (enemyTrailBeginningLength * 0.5) );
// update main trail wall
if (enemyCycleTrailSpawnDistance > 3)
enemyTrailLength = enemyCycleTrailSpawnDistance - 3;
else enemyTrailLength = 0.001;
// when trail wall segment reaches the MAX_Trail_Length, clamp it.
// also when this happens, it's time to spawn another trail segment
if (enemyTrailLength > MAX_Trail_Length) {
enemyTrailLength = MAX_Trail_Length;
// cap off current trail segment