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lerped steering

beta.r3js.org
polygonboutique 2016-11-11 10:10:43 +01:00
parent 613474ba44
commit 291fb7e023
1 changed files with 117 additions and 24 deletions
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141
src/game-lib-component-raycast-vehicle-controls.js
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@ -19,12 +19,92 @@ GameLib.D3.ComponentRaycastVehicleControls = function(
this.maxForce = maxForce || 400;
this.steering = steering || 0.5;
this.brakeForce = 1000000;
this.currentSteering = 0;
this.steeringSpeed = 8.0;
this.keyLeftPressed = false;
this.keyRightPressed = false;
this.keyForwardPressed = false;
this.keyBackPressed = false;
this.keyBreakPressed = false;
// Todo: this should be executed somewhere in game-lib-z, so that we don't execute it on every construction of an object.
GameLib.D3.Utils.Extend(GameLib.D3.ComponentRaycastVehicleControls, GameLib.D3.ComponentInterface);
};
///////////////////////// Methods to override //////////////////////////
GameLib.D3.ComponentRaycastVehicleControls.prototype.onUpdate = function(
deltaTime,
parentEntity
) {
if (this.keyForwardPressed) { // Forward [i]
this.raycastVehicleComponent.instance.applyEngineForce(-this.maxForce, this.backLWheelIndex);
this.raycastVehicleComponent.instance.applyEngineForce(-this.maxForce, this.backRWheelIndex);
} else if (this.keyBackPressed) { // Back [k]
this.raycastVehicleComponent.instance.applyEngineForce(this.maxForce, this.backLWheelIndex);
this.raycastVehicleComponent.instance.applyEngineForce(this.maxForce, this.backRWheelIndex);
} else if (!this.keyForwardPressed && !this.keyBackPressed) {
this.raycastVehicleComponent.instance.applyEngineForce(0, this.backLWheelIndex);
this.raycastVehicleComponent.instance.applyEngineForce(0, this.backRWheelIndex);
}
if (this.keyLeftPressed) { // Left [j]
var t = deltaTime * this.steeringSpeed;
t = t * t * t * (t * (6.0 * t - 15.0) + 10.0);
this.currentSteering = this.currentSteering + (this.steering - this.currentSteering) * t;
this.raycastVehicleComponent.instance.setSteeringValue(this.currentSteering, this.frontLWheelIndex);
this.raycastVehicleComponent.instance.setSteeringValue(this.currentSteering, this.frontRWheelIndex);
} else if (this.keyRightPressed) { // Right [l]
var t = deltaTime * this.steeringSpeed;
t = t * t * t * (t * (6.0 * t - 15.0) + 10.0);
this.currentSteering = this.currentSteering + ((-this.steering) - this.currentSteering) * t;
this.raycastVehicleComponent.instance.setSteeringValue(this.currentSteering, this.frontLWheelIndex);
this.raycastVehicleComponent.instance.setSteeringValue(this.currentSteering, this.frontRWheelIndex);
} else if (!this.keyLeftPressed && !this.keyRightPressed) {
var t = deltaTime * this.steeringSpeed * 2;
t = t * t * t * (t * (6.0 * t - 15.0) + 10.0);
this.currentSteering = this.currentSteering + (0 - this.currentSteering) * t;
this.raycastVehicleComponent.instance.setSteeringValue(this.currentSteering, this.frontLWheelIndex);
this.raycastVehicleComponent.instance.setSteeringValue(this.currentSteering, this.frontRWheelIndex);
}
if(this.keyBreakPressed) {
this.raycastVehicleComponent.instance.setBrake(this.brakeForce, this.frontLWheelIndex);
this.raycastVehicleComponent.instance.setBrake(this.brakeForce, this.frontRWheelIndex);
this.raycastVehicleComponent.instance.setBrake(this.brakeForce, this.backLWheelIndex);
this.raycastVehicleComponent.instance.setBrake(this.brakeForce, this.backRWheelIndex);
} else {
this.raycastVehicleComponent.instance.setBrake(0, this.frontLWheelIndex);
this.raycastVehicleComponent.instance.setBrake(0, this.frontRWheelIndex);
this.raycastVehicleComponent.instance.setBrake(0, this.backLWheelIndex);
this.raycastVehicleComponent.instance.setBrake(0, this.backRWheelIndex);
}
};
GameLib.D3.ComponentRaycastVehicleControls.prototype.onSetParentEntity = function(
parentScene,
parentEntity
@ -38,26 +118,33 @@ GameLib.D3.ComponentRaycastVehicleControls.prototype.onSetParentEntity = functio
} else {
var component = this;
document.addEventListener('keydown', function(event) {
if (event.keyCode == 73) { // Forward [i]
component.raycastVehicleComponent.instance.applyEngineForce(-component.maxForce, component.backLWheelIndex);
component.raycastVehicleComponent.instance.applyEngineForce(-component.maxForce, component.backRWheelIndex);
} else if (event.keyCode == 74) { // Left [j]
component.raycastVehicleComponent.instance.setSteeringValue(component.steering, component.frontLWheelIndex);
component.raycastVehicleComponent.instance.setSteeringValue(component.steering, component.frontRWheelIndex);
component.keyForwardPressed = true;
} else if (event.keyCode == 75) { // Back [k]
component.raycastVehicleComponent.instance.applyEngineForce(component.maxForce, component.backLWheelIndex);
component.raycastVehicleComponent.instance.applyEngineForce(component.maxForce, component.backRWheelIndex);
component.keyBackPressed = true;
}
if (event.keyCode == 74) { // Left [j]
component.keyLeftPressed = true;
} else if (event.keyCode == 76) { // Right [l]
component.keyRightPressed = true;
}
if (event.keyCode == 66) {
component.keyBreakPressed = true;
} else if (event.keyCode == 76) { // Right [l]
component.raycastVehicleComponent.instance.setSteeringValue(-component.steering, component.frontLWheelIndex);
component.raycastVehicleComponent.instance.setSteeringValue(-component.steering, component.frontRWheelIndex);
}
}, false);
@ -66,22 +153,28 @@ GameLib.D3.ComponentRaycastVehicleControls.prototype.onSetParentEntity = functio
if (event.keyCode == 73) { // Forward [i]
component.raycastVehicleComponent.instance.applyEngineForce(0, component.backLWheelIndex);
component.raycastVehicleComponent.instance.applyEngineForce(0, component.backRWheelIndex);
} else if (event.keyCode == 74) { // Left [j]
component.raycastVehicleComponent.instance.setSteeringValue(0, component.frontLWheelIndex);
component.raycastVehicleComponent.instance.setSteeringValue(0, component.frontRWheelIndex);
component.keyForwardPressed = false;
} else if (event.keyCode == 75) { // Back [k]
component.raycastVehicleComponent.instance.applyEngineForce(0, component.backLWheelIndex);
component.raycastVehicleComponent.instance.applyEngineForce(0, component.backRWheelIndex);
component.keyBackPressed = false;
}
if (event.keyCode == 74) { // Left [j]
component.keyLeftPressed = false;
} else if (event.keyCode == 76) { // Right [l]
component.keyRightPressed = false;
}
if (event.keyCode == 66) {
component.keyBreakPressed = false;
} else if (event.keyCode == 76) { // Right [l]
component.raycastVehicleComponent.instance.setSteeringValue(0, component.frontLWheelIndex);
component.raycastVehicleComponent.instance.setSteeringValue(0, component.frontRWheelIndex);
}
}, false);