public Matrix4 viewProjMat; // maintain this matrix to held 2d countdown renderer
public MissileDebugRays(SSpaceMissileData missile)
{
_missile = missile;
renderState.castsShadow = false;
renderState.receivesShadows = false;
renderState.frustumCulling = false;
}
public SProportionalNavigationPursuitDriver(SSpaceMissileData missile)
{
_missile = missile;
_missile.visualSmokeSize = 1f;
_missile.visualSmokeAmmount = 1f;
}
public SSpaceMissileClusterData(
Vector3 launcherPos, Vector3 launcherVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileParameters mParams)
{
_target = target;
_timeToHit = timeToHit;
_parameters = mParams;
_missiles = new SSpaceMissileData[numMissiles];
if (_parameters.spawnGenerator != null) {
_parameters.spawnGenerator.Generate(numMissiles,
(i, scale, pos, orient) => {
Matrix4 spawnTxfm = _parameters.spawnTxfm(_target,
launcherPos, launcherVel, i, numMissiles);
Vector3 missilePos = pos * _parameters.spawnGeneratorScale;
missilePos = Vector3.Transform(missilePos, spawnTxfm);
_missiles [i] = new SSpaceMissileData (
this, i, launcherPos, launcherVel, missilePos, timeToHit);
return true; // accept new missile from the generator
}
);
} else {
for (int i = 0; i < numMissiles; ++i) {
Matrix4 spawnTxfm = _parameters.spawnTxfm(_target,
launcherPos, launcherVel, i, numMissiles);
var missilePos = Vector3.Transform(Vector3.Zero, spawnTxfm);
_missiles [i] = new SSpaceMissileData (
this, i, launcherPos, launcherVel, missilePos, timeToHit);
}
}
}
public SProportionalNavigationPursuitDriver(SSpaceMissileData missile)
{
_missile = missile;
_missile.visualSmokeSize = 1f;
_missile.visualSmokeAmmount = 1f;
}
// TODO: remove cluster??? or missile?
protected void _addMissileRender(SSpaceMissileData missile)
{
var missileRuntime = new SSpaceMissileRenderInfo(missile);
#if MISSILE_SHOW
_objScene.AddObject(missileRuntime.bodyObj);
_particlesData.addEmitter(missileRuntime.flameSmokeEmitter);
#endif
_missileRuntimes.Add(missileRuntime);
#if MISSILE_DEBUG
_objScene.AddObject(missileRuntime.debugRays);
_screenScene.AddObject(missileRuntime.debugCountdown);
#endif
}
public SSpaceMissileRenderInfo(SSpaceMissileData missile)
{
this.missile = missile;
var mParams = missile.cluster.parameters;
bodyObj = new SSObjectMesh(mParams.missileBodyMesh);
bodyObj.Scale = new Vector3(mParams.missileBodyScale);
bodyObj.renderState.castsShadow = false;
bodyObj.renderState.receivesShadows = false;
//bodyObj.renderState.visible = false;
bodyObj.Name = "a missile body";
#if MISSILE_DEBUG
debugRays = new MissileDebugRays(missile);
debugCountdown = new SSObject2DSurface_AGGText();
debugCountdown.Size = 2f;
debugCountdown.MainColor = Color4Helper.RandomDebugColor();
#endif
flameSmokeEmitter = new SSRadialEmitter();
flameSmokeEmitter.effectorMask = (ushort)ParticleEffectorMasks.EjectionSmoke;
flameSmokeEmitter.life = mParams.flameSmokeDuration;
flameSmokeEmitter.color = new Color4(1f, 1f, 1f, 1f);
flameSmokeEmitter.billboardXY = true;
flameSmokeEmitter.particlesPerEmissionMin = mParams.smokePerEmissionMin;
flameSmokeEmitter.particlesPerEmissionMax = mParams.smokePerEmissionMax;
flameSmokeEmitter.spriteRectangles = mParams.smokeSpriteRects;
//smokeEmitter.phiMin = 0f;
//smokeEmitter.phiMax = (float)Math.PI/6f;
flameSmokeEmitter.phiMin = (float)Math.PI / 3f;
flameSmokeEmitter.phiMax = (float)Math.PI / 2f;
flameSmokeEmitter.orientationMin = new Vector3(0f, 0f, 0f);
flameSmokeEmitter.orientationMax = new Vector3(0f, 0f, 2f * (float)Math.PI);
flameSmokeEmitter.angularVelocityMin = new Vector3(0f, 0f, -1f);
flameSmokeEmitter.angularVelocityMax = new Vector3(0f, 0f, +1f);
flameSmokeEmitter.radiusOffsetMin = 0f;
flameSmokeEmitter.radiusOffsetMax = 0.1f;
// positions emitters and mesh
preRenderUpdate(0f);
}
public SSimpleMissileEjectionDriver(SSpaceMissileData missile, Vector3 clusterInitPos, Vector3 clusterInitVel)
{
_missile = missile;
var mParams = _missile.cluster.parameters;
_missile.visualDirection = (_missile.position - clusterInitPos);
if (_missile.visualDirection.LengthSquared > 0.0001f)
{
_missile.visualDirection.Normalize();
}
else
{
// means missile was spawned right at the launcher. pick a direction towards target
Vector3 toTarget = _missile.cluster.target.position - _missile.position;
float length = toTarget.Length;
if (length >= 0.0001f)
{
// normalize
_missile.visualDirection = toTarget / length;
}
else
{
// target is also on top of missile. just pick a direction and keep everything NaN free
_missile.visualDirection = Vector3.UnitZ;
}
}
_missile.velocity = clusterInitVel + _missile.visualDirection * mParams.ejectionVelocity;
var rand = SSpaceMissilesSimulation.rand;
_yawVelocity = (float)rand.NextDouble() * mParams.ejectionMaxRotationVel;
_pitchVelocity = (float)rand.NextDouble() * mParams.ejectionMaxRotationVel;
_missile.visualSmokeSize = 1f;
_missile.visualSmokeAmmount = 1f;
}
public SSpaceMissileClusterData(
Vector3 launcherPos, Vector3 launcherVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileParameters mParams)
{
_target = target;
_timeToHit = timeToHit;
_parameters = mParams;
_missiles = new SSpaceMissileData[numMissiles];
if (_parameters.spawnGenerator != null)
{
_parameters.spawnGenerator.Generate(numMissiles,
(i, scale, pos, orient) => {
Matrix4 spawnTxfm = _parameters.spawnTxfm(_target,
launcherPos, launcherVel, i, numMissiles);
Vector3 missilePos = pos * _parameters.spawnGeneratorScale;
missilePos = Vector3.Transform(missilePos, spawnTxfm);
_missiles [i] = new SSpaceMissileData(
this, i, launcherPos, launcherVel, missilePos, timeToHit);
return(true); // accept new missile from the generator
}
);
}
else
{
for (int i = 0; i < numMissiles; ++i)
{
Matrix4 spawnTxfm = _parameters.spawnTxfm(_target,
launcherPos, launcherVel, i, numMissiles);
var missilePos = Vector3.Transform(Vector3.Zero, spawnTxfm);
_missiles [i] = new SSpaceMissileData(
this, i, launcherPos, launcherVel, missilePos, timeToHit);
}
}
}
public virtual bool hitTest(SSpaceMissileData missile, out Vector3 hitLocation)
{
var mParams = missile.parameters;
float simStep = missile.parameters.simulationStep;
float nextTickDist = missile.velocity.LengthFast * simStep;
float testDistSq = (nextTickDist + targetObj.worldBoundingSphereRadius);
testDistSq *= testDistSq;
float toTargetDistSq = (targetObj.Pos - missile.position).LengthSquared;
if (toTargetDistSq <= mParams.atTargetDistance * mParams.atTargetDistance)
{
hitLocation = missile.position;
return(true);
}
else if (testDistSq > toTargetDistSq)
{
Vector3 velNorm = (missile.velocity - this.velocity);
velNorm.NormalizeFast();
SSRay ray = new SSRay(missile.position, velNorm);
float rayDistance = 0f;
if (targetObj.PreciseIntersect(ref ray, ref rayDistance))
{
if (rayDistance - nextTickDist < mParams.atTargetDistance)
{
hitLocation = missile.position + this.velocity * simStep
+ velNorm * rayDistance;
return(true);
}
}
}
hitLocation = new Vector3(float.PositiveInfinity);
return(false);
}
/// <summary> used to plugin field generators. Can be set to null, in which case only spawn transform delegates are used </summary>
public virtual ISSpaceMissileDriver createEjection(SSpaceMissileData missile)
{
return(new SMissileEjectionDriver(missile));
}
protected readonly float _yawVelocity; // purely visual
#endregion Fields
#region Constructors
public SSimpleMissileEjectionDriver(SSpaceMissileData missile, Vector3 clusterInitPos, Vector3 clusterInitVel)
{
_missile = missile;
var mParams = _missile.cluster.parameters;
_missile.visualDirection = (_missile.position - clusterInitPos);
if (_missile.visualDirection.LengthSquared > 0.0001f) {
_missile.visualDirection.Normalize();
} else {
// means missile was spawned right at the launcher. pick a direction towards target
Vector3 toTarget = _missile.cluster.target.position - _missile.position;
float length = toTarget.Length;
if (length >= 0.0001f) {
// normalize
_missile.visualDirection = toTarget / length;
} else {
// target is also on top of missile. just pick a direction and keep everything NaN free
_missile.visualDirection = Vector3.UnitZ;
}
}
_missile.velocity = clusterInitVel + _missile.visualDirection * mParams.ejectionVelocity;
var rand = SSpaceMissilesSimulation.rand;
_yawVelocity = (float)rand.NextDouble() * mParams.ejectionMaxRotationVel;
_pitchVelocity = (float)rand.NextDouble() * mParams.ejectionMaxRotationVel;
_missile.visualSmokeSize = 1f;
_missile.visualSmokeAmmount = 1f;
}
public override ISSpaceMissileDriver createEjection(SSpaceMissileData missile)
{
return(new SMissileEjectionVisualDriver(missile as SSpaceMissileVisualData));
}
/// <summary> delegate for creating pursuit phase missile drivers </summary>
public virtual ISSpaceMissileDriver createPursuit(SSpaceMissileData missile)
{
return(new SProportionalNavigationPursuitDriver(missile));
}
public void removeMissile(SSpaceMissileData missile)
{
missile.terminate();
}
public SMissileEjectionDriver(SSpaceMissileData missile)
{
this.missile = missile;
}
/// <summary> delegate for creating pursuit phase missile drivers </summary>
public virtual ISSpaceMissileDriver createPursuit(SSpaceMissileData missile)
{
return new SProportionalNavigationPursuitDriver (missile);
}
/// <summary> delegate for creating pursuit phase missile drivers </summary>
public override ISSpaceMissileDriver createPursuit(SSpaceMissileData missile)
{
return new SProportionalNavigationPursuitVisualDriver (missile as SSpaceMissileVisualData);
}
/// <summary> delegate for creating pursuit phase missile drivers </summary>
public override ISSpaceMissileDriver createPursuit(SSpaceMissileData missile)
{
return(new SProportionalNavigationPursuitVisualDriver(missile as SSpaceMissileVisualData));
}
public override ISSpaceMissileDriver createEjection(SSpaceMissileData missile)
{
return new SMissileEjectionVisualDriver (missile as SSpaceMissileVisualData);
}
public void removeMissile(SSpaceMissileData missile)
{
missile.terminate();
}
/// <summary> used to plugin field generators. Can be set to null, in which case only spawn transform delegates are used </summary>
public virtual ISSpaceMissileDriver createEjection(SSpaceMissileData missile)
{
return new SMissileEjectionDriver (missile);
}
// TODO: remove cluster??? or missile?
protected void _addMissileRender(SSpaceMissileData missile)
{
var missileRuntime = new SSpaceMissileRenderInfo (missile);
#if MISSILE_SHOW
_objScene.AddObject(missileRuntime.bodyObj);
_particlesData.addEmitter(missileRuntime.flameSmokeEmitter);
#endif
_missileRuntimes.Add(missileRuntime);
#if MISSILE_DEBUG
_objScene.AddObject(missileRuntime.debugRays);
_screenScene.AddObject(missileRuntime.debugCountdown);
#endif
}
public SSpaceMissileRenderInfo(SSpaceMissileData missile)
{
this.missile = missile;
var mParams = missile.cluster.parameters;
bodyObj = new SSObjectMesh(mParams.missileBodyMesh);
bodyObj.Scale = new Vector3(mParams.missileBodyScale);
bodyObj.renderState.castsShadow = false;
bodyObj.renderState.receivesShadows = false;
//bodyObj.renderState.visible = false;
bodyObj.Name = "a missile body";
#if MISSILE_DEBUG
debugRays = new MissileDebugRays(missile);
debugCountdown = new SSObject2DSurface_AGGText();
debugCountdown.Size = 2f;
debugCountdown.MainColor = Color4Helper.RandomDebugColor();
#endif
flameSmokeEmitter = new SSRadialEmitter();
flameSmokeEmitter.effectorMask = (ushort)ParticleEffectorMasks.EjectionSmoke;
flameSmokeEmitter.life = mParams.flameSmokeDuration;
flameSmokeEmitter.color = new Color4(1f, 1f, 1f, 1f);
flameSmokeEmitter.billboardXY = true;
flameSmokeEmitter.particlesPerEmissionMin = mParams.smokePerEmissionMin;
flameSmokeEmitter.particlesPerEmissionMax = mParams.smokePerEmissionMax;
flameSmokeEmitter.spriteRectangles = mParams.smokeSpriteRects;
//smokeEmitter.phiMin = 0f;
//smokeEmitter.phiMax = (float)Math.PI/6f;
flameSmokeEmitter.phiMin = (float)Math.PI/3f;
flameSmokeEmitter.phiMax = (float)Math.PI/2f;
flameSmokeEmitter.orientationMin = new Vector3 (0f, 0f, 0f);
flameSmokeEmitter.orientationMax = new Vector3 (0f, 0f, 2f * (float)Math.PI);
flameSmokeEmitter.angularVelocityMin = new Vector3 (0f, 0f, -1f);
flameSmokeEmitter.angularVelocityMax = new Vector3 (0f, 0f, +1f);
flameSmokeEmitter.radiusOffsetMin = 0f;
flameSmokeEmitter.radiusOffsetMax = 0.1f;
// positions emitters and mesh
preRenderUpdate(0f);
}
public Matrix4 viewProjMat; // maintain this matrix to held 2d countdown renderer
public MissileDebugRays(SSpaceMissileData missile)
{
_missile = missile;
renderState.castsShadow = false;
renderState.receivesShadows = false;
renderState.frustumCulling = false;
}
public SProportionalNavigationPursuitDriver(SSpaceMissileData missile)
{
this.missile = missile;
}
public virtual bool hitTest(SSpaceMissileData missile, out Vector3 hitLocation)
{
var mParams = missile.cluster.parameters;
float simStep = missile.cluster.parameters.simulationStep;
float nextTickDist = missile.velocity.LengthFast * simStep;
float testDistSq = (nextTickDist + targetObj.worldBoundingSphereRadius);
testDistSq *= testDistSq;
float toTargetDistSq = (targetObj.Pos - missile.position).LengthSquared;
if (toTargetDistSq <= mParams.atTargetDistance * mParams.atTargetDistance) {
hitLocation = missile.position;
return true;
} else if (testDistSq > toTargetDistSq) {
Vector3 velNorm = (missile.velocity - this.velocity);
velNorm.NormalizeFast();
SSRay ray = new SSRay (missile.position, velNorm);
float rayDistance = 0f;
if (targetObj.PreciseIntersect(ref ray, ref rayDistance)) {
if (rayDistance - nextTickDist < mParams.atTargetDistance) {
hitLocation = missile.position + this.velocity * simStep
+ velNorm * rayDistance;
return true;
}
}
}
hitLocation = new Vector3(float.PositiveInfinity);
return false;
}
