protected Matrix4 straightMissileSpawnTxfm(ISSpaceMissileTarget target,
Vector3 launcherPos, Vector3 launcherVel,
int id, int clusterSize)
{
const float sideDispersal = 2f;
float angle = (float)Math.PI * 2f / (float)clusterSize * id;
Vector3 toTarget = (target.position - launcherPos);
float length = toTarget.Length;
if (length < 0.0001f)
{
toTarget = -Vector3.UnitZ;
}
else
{
// normalize
toTarget /= length;
}
Quaternion orientQuat = OpenTKHelper.neededRotation(Vector3.UnitZ, toTarget);
Matrix4 orientMat = Matrix4.CreateFromQuaternion(orientQuat);
Matrix4 disperalMat = Matrix4.CreateTranslation(sideDispersal * (float)Math.Cos(angle),
sideDispersal * (float)Math.Sin(angle), 0f);
return(disperalMat * orientMat * Matrix4.CreateTranslation(launcherPos) * Matrix4.CreateTranslation(toTarget * 7f));
}
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 SSpaceMissileClusterVisualData(
Matrix4 launcherWorldMat, Vector3 launcherVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileVisualParameters mParams,
Vector3[] meshPositioningOffsets = null,
Vector3[] meshPositioningDirections = null,
BodiesFieldGenerator meshPositioningGenerator = null,
SSpaceMissileVisualData.AtTargetFunc atTargetFunc = null)
{
_target = target;
_timeToHit = timeToHit;
_parameters = mParams;
_missiles = new SSpaceMissileVisualData[numMissiles];
this.atTargetFunc = atTargetFunc;
Vector3[] localSpawnPts = new Vector3[numMissiles];
Quaternion[] localSpawnOrients = new Quaternion[numMissiles];
if (meshPositioningGenerator != null)
{
meshPositioningGenerator.Generate(numMissiles,
(id, scale, pos, orient) => {
localSpawnPts [id] = pos;
localSpawnOrients [id] = orient;
return(true);
}
);
}
Quaternion launcherOrientation = launcherWorldMat.ExtractRotation();
for (int i = 0; i < numMissiles; ++i)
{
if (meshPositioningOffsets != null && meshPositioningOffsets.Length > 0)
{
localSpawnPts [i] += meshPositioningOffsets [i % meshPositioningOffsets.Length];
}
if (meshPositioningDirections != null && meshPositioningDirections.Length > 0)
{
int idx = i % meshPositioningDirections.Length;
localSpawnOrients [i] *= OpenTKHelper.getRotationTo(
Vector3.UnitZ, meshPositioningDirections [idx], Vector3.UnitZ);
}
Vector3 missileWorldPos = Vector3.Transform(localSpawnPts [i], launcherWorldMat);
Vector3 missileLocalDir = Vector3.Transform(Vector3.UnitZ, localSpawnOrients [i]);
Vector3 missileWorldDir = Vector3.Transform(missileLocalDir, launcherOrientation);
Vector3 missileWorldVel = launcherVel + missileWorldDir * mParams.ejectionVelocity;
_missiles [i] = mParams.createMissile(
missileWorldPos, missileWorldDir, missileWorldVel, this, i);
#if false
_missiles [i] = new SSpaceMissileVisualData(
missileWorldPos, missileWorldDir, missileWorldVel,
this, clusterId: i);
#endif
}
}
public SSpaceMissileClusterData launchCluster(
Vector3 launchPos, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileParameters clusterParams)
{
var cluster = new SSpaceMissileClusterData(
launchPos, launchVel, numMissiles, target, timeToHit, clusterParams);
_clusters.Add(cluster);
_targets.Add(target);
return(cluster);
}
public SSpaceMissileClusterVisualData(
Matrix4 launcherWorldMat, Vector3 launcherVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileVisualParameters mParams,
Vector3[] meshPositioningOffsets = null,
Vector3[] meshPositioningDirections = null,
BodiesFieldGenerator meshPositioningGenerator = null,
SSpaceMissileVisualData.AtTargetFunc atTargetFunc = null)
{
_target = target;
_timeToHit = timeToHit;
_parameters = mParams;
_missiles = new SSpaceMissileVisualData[numMissiles];
this.atTargetFunc = atTargetFunc;
Vector3[] localSpawnPts = new Vector3[numMissiles];
Quaternion[] localSpawnOrients = new Quaternion[numMissiles];
if (meshPositioningGenerator != null) {
meshPositioningGenerator.Generate(numMissiles,
(id, scale, pos, orient) => {
localSpawnPts [id] = pos;
localSpawnOrients [id] = orient;
return true;
}
);
}
Quaternion launcherOrientation = launcherWorldMat.ExtractRotation();
for (int i = 0; i < numMissiles; ++i) {
if (meshPositioningOffsets != null && meshPositioningOffsets.Length > 0) {
localSpawnPts [i] += meshPositioningOffsets [i % meshPositioningOffsets.Length];
}
if (meshPositioningDirections != null && meshPositioningDirections.Length > 0) {
int idx = i % meshPositioningDirections.Length;
localSpawnOrients [i] *= OpenTKHelper.getRotationTo(
Vector3.UnitZ, meshPositioningDirections [idx], Vector3.UnitZ);
}
Vector3 missileWorldPos = Vector3.Transform(localSpawnPts [i], launcherWorldMat);
Vector3 missileLocalDir = Vector3.Transform(Vector3.UnitZ, localSpawnOrients [i]);
Vector3 missileWorldDir = Vector3.Transform(missileLocalDir, launcherOrientation);
Vector3 missileWorldVel = launcherVel + missileWorldDir * mParams.ejectionVelocity;
_missiles [i] = mParams.createMissile(
missileWorldPos, missileWorldDir, missileWorldVel, this, i);
#if false
_missiles [i] = new SSpaceMissileVisualData (
missileWorldPos, missileWorldDir, missileWorldVel,
this, clusterId: i);
#endif
}
}
public SSpaceMissileClusterData launchCluster(
Vector3 launchPos, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileParameters clusterParams)
{
_initParamsSpecific(clusterParams);
var cluster = _simulation.launchCluster(launchPos, launchVel, numMissiles,
target, timeToHit, clusterParams);
foreach (var missile in cluster.missiles)
{
_addMissileRender(missile);
}
return(cluster);
}
public SSpaceMissileVisualData(
Vector3 missileWorldPos, Vector3 missileWorldVel,
SSpaceMissileParameters parameters = null, ISSpaceMissileTarget target = null, AtTargetFunc atf = null,
float ejectionYawVelocity = float.NaN, float ejectionPitchVelocity = float.NaN)
: base(missileWorldPos, missileWorldVel, parameters, target)
{
var ejectionAsVisual = _driver as SMissileEjectionVisualDriver;
if (!float.IsNaN(ejectionYawVelocity))
{
ejectionAsVisual.yawVelocity = ejectionYawVelocity;
}
if (!float.IsNaN(ejectionPitchVelocity))
{
ejectionAsVisual.pitchVelocity = ejectionPitchVelocity;
}
}
public SSpaceMissileData(
Vector3 missileWorldPos, Vector3 missileWorldVel,
SSpaceMissileParameters parameters = null, ISSpaceMissileTarget target = null,
float timeToHitTarget = 0f, ISharableData sharableData = null, AtTargetFunc atf = null)
{
_sharableData = sharableData ?? new SingleInstanceData()
{
target = target,
parameters = parameters,
timeSinceLaunch = 0f,
timeToHit = timeToHitTarget,
atTargetFunc = atf,
};
this.position = missileWorldPos;
this.velocity = missileWorldVel;
}
public SSpaceMissileClusterVisualData launchCluster(
Matrix4 launcherWorldMat, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileVisualParameters clusterParams,
Vector3[] localPositioningOffsets = null,
Vector3[] localDirectionPresets = null,
BodiesFieldGenerator meshPositioningGenerator = null,
SSpaceMissileVisualData.AtTargetFunc atTargetFunc = null
)
{
var cluster = new SSpaceMissileClusterVisualData(
launcherWorldMat, launchVel, numMissiles, target, timeToHit, clusterParams,
localPositioningOffsets, localDirectionPresets, meshPositioningGenerator,
atTargetFunc
);
_clusters.Add(cluster);
_targets.Add(target);
return(cluster);
}
public SSpaceMissileClusterVisualData launchCluster(
Matrix4 launcherWorldMat, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target,
SSpaceMissileVisualParameters clusterParams,
Vector3[] localPositioningOffsets = null,
Vector3[] localDirections = null,
BodiesFieldGenerator localPositioningGenerator = null,
SSpaceMissileVisualData.AtTargetFunc missileAtTargetFunc = null,
float timeToHit = float.NaN
)
{
_initParamsSpecific(clusterParams);
var cluster = _simulation.launchCluster(
launcherWorldMat, launchVel, numMissiles,
target, timeToHit, clusterParams,
localPositioningOffsets, localDirections, localPositioningGenerator,
missileAtTargetFunc);
foreach (var missile in cluster.missiles)
{
_addMissileRender(missile);
}
return(cluster);
}
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 SSpaceMissileClusterVisualData launchCluster(
Matrix4 launcherWorldMat, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileVisualParameters clusterParams,
Vector3[] localPositioningOffsets = null,
Vector3[] localDirectionPresets = null,
BodiesFieldGenerator meshPositioningGenerator = null,
SSpaceMissileVisualData.AtTargetFunc atTargetFunc = null
)
{
var cluster = new SSpaceMissileClusterVisualData (
launcherWorldMat, launchVel, numMissiles, target, timeToHit, clusterParams,
localPositioningOffsets, localDirectionPresets, meshPositioningGenerator,
atTargetFunc
);
_clusters.Add(cluster);
_targets.Add(target);
return cluster;
}
public SSpaceMissileClusterData launchCluster(
Vector3 launchPos, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileParameters clusterParams)
{
_initParamsSpecific(clusterParams);
var cluster = _simulation.launchCluster(launchPos, launchVel, numMissiles,
target, timeToHit, clusterParams);
foreach (var missile in cluster.missiles) {
_addMissileRender(missile);
}
return cluster;
}
public SSpaceMissileClusterData launchCluster(
Vector3 launchPos, Vector3 launchVel, int numMissiles,
ISSpaceMissileTarget target, float timeToHit,
SSpaceMissileParameters clusterParams)
{
var cluster = new SSpaceMissileClusterData (
launchPos, launchVel, numMissiles, target, timeToHit, clusterParams);
_clusters.Add(cluster);
_targets.Add(target);
return cluster;
}
protected Matrix4 straightMissileSpawnTxfm(ISSpaceMissileTarget target,
Vector3 launcherPos, Vector3 launcherVel,
int id, int clusterSize)
{
const float sideDispersal = 2f;
float angle = (float)Math.PI * 2f / (float)clusterSize * id;
Vector3 toTarget = (target.position - launcherPos);
float length = toTarget.Length;
if (length < 0.0001f) {
toTarget = -Vector3.UnitZ;
} else {
// normalize
toTarget /= length;
}
Quaternion orientQuat = OpenTKHelper.neededRotation(Vector3.UnitZ, toTarget);
Matrix4 orientMat = Matrix4.CreateFromQuaternion(orientQuat);
Matrix4 disperalMat = Matrix4.CreateTranslation(sideDispersal * (float)Math.Cos(angle),
sideDispersal * (float)Math.Sin(angle), 0f);
return disperalMat * orientMat * Matrix4.CreateTranslation(launcherPos) * Matrix4.CreateTranslation(toTarget * 7f);
}