private void OnEnable()
{
voxelExploder = (Exploder) target;
explosionRadius = voxelExploder.ExplosionRadius;
particleVelocity = voxelExploder.ParticleVelocity;
explodeTarget = voxelExploder.ExplodeTarget;
valueFilterOperation = voxelExploder.ValueFilterOperation;
valueFilter = voxelExploder.ValueFilter;
}
private bool FilterExplosion(byte value, int valueFilter, Exploder.ExplodeValueFilterOperation valueFilterOperation)
{
switch (valueFilterOperation)
{
case Exploder.ExplodeValueFilterOperation.LessThan:
return value < valueFilter;
case Exploder.ExplodeValueFilterOperation.LessThanOrEqualTo:
return value <= valueFilter;
case Exploder.ExplodeValueFilterOperation.EqualTo:
return value == valueFilter;
case Exploder.ExplodeValueFilterOperation.GreaterThanOrEqualTo:
return value >= valueFilter;
case Exploder.ExplodeValueFilterOperation.GreaterThan:
return value > valueFilter;
}
return false;
}
/// <summary>
/// Deactivates all particles in the current frame, within a supplied radius of a world position
/// </summary>
/// <param name="position">The world position of the centre of the explosion</param>
/// <param name="explosionRadius">The radius of the explosion</param>
/// <returns>A Batch of voxels that were destroyed by the explosion</returns>
public Batch Explode(Vector3 position, float explosionRadius, int valueFilter, Exploder.ExplodeValueFilterOperation valueFilterOperation)
{
Batch batch = new Batch(this);
Color tint = Material.GetColor("_Tint");
Matrix4x4 transformMatrix = transform.worldToLocalMatrix;
position += (transform.rotation * (Pivot));
for (float x = position.x - explosionRadius; x <= position.x + explosionRadius; x += VoxelSize * 0.5f)
for (float y = position.y - explosionRadius; y <= position.y + explosionRadius; y += VoxelSize * 0.5f)
for (float z = position.z - explosionRadius; z <= position.z + explosionRadius; z += VoxelSize * 0.5f)
{
Vector3 checkPos = new Vector3(x, y, z);
if (Vector3.Distance(checkPos, position) <= explosionRadius)
{
Vector3 localPos = transformMatrix.MultiplyPoint3x4(checkPos); //transform.InverseTransformPoint(pos);
//if (!Frames[CurrentFrame].IsLocalPositionInBounds(localPos)) continue;
int testX = (int)(localPos.x / VoxelSize);
int testY = (int)(localPos.y / VoxelSize);
int testZ = (int)(localPos.z / VoxelSize);
if (testX < 0 || testY < 0 || testZ < 0 || testX >= XSize || testY >= YSize || testZ >= ZSize) continue;
if (Frames[CurrentFrame].Voxels[testX + XSize * (testY + YSize * testZ)].Active &&
FilterExplosion(Frames[CurrentFrame].Voxels[testX + XSize * (testY + YSize * testZ)].Value, valueFilter, valueFilterOperation) &&
Vector3.Distance(position, checkPos) <= explosionRadius)
{
Voxel v = Frames[CurrentFrame].Voxels[testX + XSize * (testY + YSize * testZ)];
v.Color *= tint;
batch.Add(v, testX, testY, testZ, checkPos - (transform.rotation * (Pivot)));
SetVoxelStateAtArrayPosition(testX, testY, testZ, VoxelState.Hidden);
}
}
}
return batch;
}
