public void PerformExplosion(
TSVector2 origin,
FP radius,
VoltExplosionCallback callback,
VoltBodyFilter targetFilter = null,
VoltBodyFilter occlusionFilter = null,
int ticksBehind = 0,
int rayCount = 32)
{
if (ticksBehind < 0)
{
throw new ArgumentOutOfRangeException("ticksBehind");
}
// Get all target bodies
this.PopulateFiltered(
origin,
radius,
targetFilter,
ticksBehind,
ref this.targetBodies);
// Get all occluding bodies
this.PopulateFiltered(
origin,
radius,
occlusionFilter,
ticksBehind,
ref this.occludingBodies);
VoltRayCast ray;
FP rayWeight = 1.0f / rayCount;
FP angleIncrement = (TSMath.Pi * 2.0f) * rayWeight;
for (int i = 0; i < rayCount; i++)
{
TSVector2 normal = VoltMath.Polar(angleIncrement * i);
ray = new VoltRayCast(origin, normal, radius);
FP minDistance =
this.GetOccludingDistance(ray, ticksBehind);
minDistance += VoltWorld.EXPLOSION_OCCLUDER_SLOP;
this.TestTargets(ray, callback, ticksBehind, minDistance, rayWeight);
}
}
public void PerformExplosion(
Vector2 origin,
float radius,
VoltExplosionCallback callback,
VoltBodyFilter targetFilter = null,
VoltBodyFilter occlusionFilter = null,
int ticksBehind = 0,
int rayCount = 32)
{
if (ticksBehind < 0)
throw new ArgumentOutOfRangeException("ticksBehind");
// Get all target bodies
this.PopulateFiltered(
origin,
radius,
targetFilter,
ticksBehind,
ref this.targetBodies);
// Get all occluding bodies
this.PopulateFiltered(
origin,
radius,
occlusionFilter,
ticksBehind,
ref this.occludingBodies);
VoltRayCast ray;
float rayWeight = 1.0f / rayCount;
float angleIncrement = (Mathf.PI * 2.0f) * rayWeight;
for (int i = 0; i < rayCount; i++)
{
Vector2 normal = VoltMath.Polar(angleIncrement * i);
ray = new VoltRayCast(origin, normal, radius);
float minDistance =
this.GetOccludingDistance(ray, ticksBehind);
minDistance += VoltWorld.EXPLOSION_OCCLUDER_SLOP;
this.TestTargets(ray, callback, ticksBehind, minDistance, rayWeight);
}
}
/// <summary>
/// Tests all valid explosion targets for a given ray.
/// </summary>
private void TestTargets(
VoltRayCast ray,
VoltExplosionCallback callback,
int ticksBehind,
FP minOccluderDistance,
FP rayWeight)
{
for (int i = 0; i < this.targetBodies.Count; i++)
{
VoltBody targetBody = this.targetBodies[i];
VoltRayResult result = default(VoltRayResult);
if (targetBody.RayCast(ref ray, ref result, ticksBehind))
{
if (result.Distance < minOccluderDistance)
{
callback.Invoke(ray, result, rayWeight);
}
}
}
}
/// <summary>
/// Tests all valid explosion targets for a given ray.
/// </summary>
private void TestTargets(
VoltRayCast ray,
VoltExplosionCallback callback,
int ticksBehind,
float minOccluderDistance,
float rayWeight)
{
for (int i = 0; i < this.targetBodies.Count; i++)
{
VoltBody targetBody = this.targetBodies[i];
VoltRayResult result = default(VoltRayResult);
if (targetBody.RayCast(ref ray, ref result, ticksBehind))
if (result.Distance < minOccluderDistance)
callback.Invoke(ray, result, rayWeight);
}
}
