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start to refactor components

beta.r3js.org
Theunis J. Botha 2016-12-07 09:58:09 +01:00
parent 24a17da5d4 252067c4c8
commit 89d7883418
1 changed files with 79 additions and 40 deletions
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119
src/game-lib-component-path-following.js
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@ -50,6 +50,7 @@ GameLib.D3.ComponentPathFollowing = function ComponentPathFollowing(
this.currentPathValue = 0.0;
this.currentSpeed = 0.0;
this.direction = 0;
this.pastNormal = new THREE.Vector3(0,0,0);
//#endif
// extend
@ -68,41 +69,39 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
if(this.spline && this.trackThreeMeshArray) {
if(this.currentPathValue >= 1 || this.currentPathValue < 0) {
this.currentPathValue = 0;
}
// current speed
//To maintain a constant speed, you use .getPointAt( t ) instead of .getPoint( t ).
//http://stackoverflow.com/questions/18400667/three-js-object-following-a-spline-path-rotation-tanget-issues-constant-sp
var position = this.spline.instance.getPointAt(this.currentPathValue);
this.maxSpeed = 0.03;
this.accel = 0.1;
// Update the current thing
var t = deltaTime * this.accel;
t = t * t * t * (t * (6.0 * t - 15.0) + 10.0);
this.currentSpeed = this.currentSpeed + (this.maxSpeed * this.direction - this.currentSpeed) * t;
// update current path value & check bounds
this.currentPathValue = this.currentPathValue + ( (this.currentPathValue + this.currentSpeed) - this.currentPathValue ) * t;
if(this.currentSpeed >= this.maxSpeed) {
this.currentSpeed += this.accel * deltaTime * this.direction;
if(this.currentSpeed > this.maxSpeed) {
this.currentSpeed = this.maxSpeed;
} else if (this.currentSpeed <= 0) {
this.currentSpeed = 0.0;
}
this.grain = (this.currentSpeed / 100.0);
//this.grain = (deltaTime / 100.0);
var currentPosition = this.splineCurve3.getPointAt(this.currentPathValue);
this.currentPathValue += this.grain;
if (this.currentPathValue >= 1) {
this.currentPathValue = this.currentPathValue - 1;
}
var nextIndex = this.currentPathValue;
if(nextIndex > 1.0) {
nextIndex = 0;
if (this.currentPathValue < 0) {
this.currentPathValue = 0.0;
}
var nextPoint = this.spline.instance.getPointAt(nextIndex);
var futurePosition = this.splineCurve3.getPointAt(this.currentPathValue);
// - - - - - - - - - - - - -
// Ray trace from the current position.
// Ray trace from the future position.
// - - - - - - - - -- - - - -
ComponentPathFollowing_Three_Raycaster.set(
position,
futurePosition,
new THREE.Vector3(
0,
-1,
@ -110,28 +109,61 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
)
);
var normal = new THREE.Vector3(0, 1, 0);
var futureNormal = new THREE.Vector3(0, 1, 0);
var futurePositionRayCasted = new THREE.Vector3(
futurePosition.x,
futurePosition.y,
futurePosition.z
);
for(var m = 0, ml = this.trackThreeMeshArray.length; m < ml; ++m) {
var intersect = ComponentPathFollowing_Three_Raycaster.intersectObject(
this.trackThreeMeshArray[m]
);
if (intersect) {
normal = intersect[0].face.normal;
if(intersect && intersect.length > 0) {
futureNormal = intersect[0].face.normal;
futurePositionRayCasted = intersect[0].point;
break;
}
}
// - - - - - - - - - - - - -
// Ray trace from the current position.
// - - - - - - - - -- - - - -
ComponentPathFollowing_Three_Raycaster.set(
currentPosition,
new THREE.Vector3(
0,
-1,
0
)
);
var currentNormal = new THREE.Vector3(0, 1, 0);
for(var m = 0, ml = this.trackThreeMeshArray.length; m < ml; ++m) {
var intersect = ComponentPathFollowing_Three_Raycaster.intersectObject(
this.trackThreeMeshArray[m]
);
if(intersect && intersect.length > 0) {
currentNormal = intersect[0].face.normal;
break;
}
}
//var avgNormal = currentNormal.add(this.pastNormal).add(futureNormal).normalize();
var avgNormal = (this.pastNormal).add(futureNormal).normalize();
this.pastNormal = futureNormal;
var matrix = new THREE.Matrix4().lookAt(
currentPosition,
futurePosition,
avgNormal
);
var matrix = new THREE.Matrix4().lookAt(position, nextPoint, normal);
var quaternion = new THREE.Quaternion().setFromRotationMatrix(matrix);
// update position
t = deltaTime * ((this.currentSpeed / this.maxSpeed) * this.steeringSpeed); // put this into another variable
t = t * t * t * (t * (6.0 * t - 15.0) + 10.0);
var targetVector = new THREE.Vector3(
this.maxOffset.x * this.offset.x,
this.maxOffset.y * this.offset.y,
@ -142,7 +174,10 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
this.currentOffset.x,
this.currentOffset.y,
this.currentOffset.z
).lerp(targetVector, t);
).lerp(
targetVector,
(this.grain * this.steeringSpeed)
);
this.currentOffset.x = lerpedOffset.x;
this.currentOffset.y = lerpedOffset.y;
@ -154,11 +189,15 @@ GameLib.D3.ComponentPathFollowing.prototype.onUpdate = function(
this.baseOffset.z + lerpedOffset.z
).applyQuaternion(quaternion);
// apply to parent rigidbody instead of direclty to the mesh.
parentEntity.position.x = position.x + transformedOffset.x;
parentEntity.position.y = position.y + transformedOffset.y;
parentEntity.position.z = position.z + transformedOffset.z;
/* parentEntity.position.x = futurePositionRayCasted.x + transformedOffset.x;
parentEntity.position.y = futurePositionRayCasted.y + transformedOffset.y + this.parentEntity.mesh.geometry.boundingBox.y;
parentEntity.position.z = futurePositionRayCasted.z + transformedOffset.z;
*/
parentEntity.position.x = futurePosition.x + transformedOffset.x;
parentEntity.position.y = futurePosition.y + transformedOffset.y;
parentEntity.position.z = futurePosition.z + transformedOffset.z;
// update rotation
parentEntity.quaternion.x = quaternion.x;
@ -174,7 +213,7 @@ GameLib.D3.ComponentPathFollowing.prototype.onSetParentEntity = function(
parentScene,
parentEntity
) {
if (!this.spline) {
if(!this.splineCurve3) {
console.error("NO PATH GIVEN");
}
};