//----------------------------------------------------------------------------
public void DrawCube(int i, PKFxFX.Sampler sampler, bool worldSpaceSampling)
{
PKFxFX fx = (PKFxFX)target;
Matrix4x4 shapeTransform = sampler.m_ShapeTransform.transform;
if (!worldSpaceSampling)
{
shapeTransform = ((GameObject)fx.gameObject).transform.localToWorldMatrix * shapeTransform;
}
Vector3 position = shapeTransform.GetColumn(3);
Quaternion rotation = shapeTransform.rotation;
Vector3 size = sampler.m_Dimensions;
Vector3 A = position + rotation * new Vector3(-size.x / 2, size.y / 2, size.z / 2);
Vector3 B = position + rotation * new Vector3(size.x / 2, size.y / 2, size.z / 2);
Vector3 C = position + rotation * new Vector3(size.x / 2, -size.y / 2, size.z / 2);
Vector3 D = position + rotation * new Vector3(-size.x / 2, -size.y / 2, size.z / 2);
Vector3 E = position + rotation * new Vector3(-size.x / 2, size.y / 2, -size.z / 2);
Vector3 F = position + rotation * new Vector3(size.x / 2, size.y / 2, -size.z / 2);
Vector3 G = position + rotation * new Vector3(size.x / 2, -size.y / 2, -size.z / 2);
Vector3 H = position + rotation * new Vector3(-size.x / 2, -size.y / 2, -size.z / 2);
Vector3[] face = new Vector3[5];
Handles.color = Color.cyan;
face[0] = A;
face[1] = B;
face[2] = C;
face[3] = D;
face[4] = A;
Handles.DrawPolyLine(face);
face[0] = A;
face[1] = E;
face[2] = H;
face[3] = D;
face[4] = A;
Handles.DrawPolyLine(face);
face[0] = B;
face[1] = F;
face[2] = G;
face[3] = C;
face[4] = B;
Handles.DrawPolyLine(face);
face[0] = E;
face[1] = F;
face[2] = G;
face[3] = H;
face[4] = E;
Handles.DrawPolyLine(face);
}
//----------------------------------------------------------------------------
public void DrawSphere(int i, PKFxFX.Sampler sampler, bool worldSpaceSampling)
{
PKFxFX fx = (PKFxFX)target;
float radius = sampler.m_Dimensions.x;
float innerRadius = sampler.m_Dimensions.y;
Matrix4x4 shapeTransform = sampler.m_ShapeTransform.transform;
if (!worldSpaceSampling)
{
shapeTransform = ((GameObject)fx.gameObject).transform.localToWorldMatrix * shapeTransform;
}
Vector3 position = shapeTransform.GetColumn(3);
Quaternion rotation = shapeTransform.rotation;
Vector3 scale = shapeTransform.lossyScale;
Handles.color = Color.blue;
innerRadius = Handles.RadiusHandle(rotation, position, Mathf.Min(radius, innerRadius));
Handles.color = Color.cyan;
radius = Handles.RadiusHandle(rotation, position, Mathf.Max(radius, innerRadius));
}
public void DrawCylinder(int i, PKFxFX.Sampler sampler, bool worldSpaceSampling)
{
PKFxFX fx = (PKFxFX)target;
float radius = sampler.m_Dimensions.x;
float innerRadius = sampler.m_Dimensions.y;
float height = sampler.m_Dimensions.z;
Matrix4x4 shapeTransform = sampler.m_ShapeTransform.transform;
if (!worldSpaceSampling)
{
shapeTransform = ((GameObject)fx.gameObject).transform.localToWorldMatrix * shapeTransform;
}
Vector3 position = shapeTransform.GetColumn(3);
Quaternion rotation = shapeTransform.rotation;
Handles.color = Color.blue;
_PrimitiveCylinder(innerRadius, height, position, rotation);
Handles.color = Color.cyan;
_PrimitiveCylinder(radius, height, position, rotation);
}
//----------------------------------------------------------------------------
public void OnSceneGUI()
{
if (target != null)
{
PKFxFX fx = target as PKFxFX;
if (fx != null && fx.m_FxSamplersList != null)
{
for (int i = 0; i < fx.m_FxSamplersList.Count; i++)
{
PKFxFX.Sampler sampler = fx.m_FxSamplersList[i];
if (sampler != null && sampler.m_Descriptor.m_Type == (int)PKFxFxAsset.SamplerDesc.ESamplerType.SamplerShape)
{
// Show the shapes in world space instead of local space (just for the editor workflow, does not change the actual sampling)
bool worldSpaceSampling = sampler.m_WorldSpaceSampling;
if (sampler.m_ShapeType == PKFxFX.Sampler.EShapeType.BoxShape)
{
DrawCube(i, sampler, worldSpaceSampling);
}
else if (sampler.m_ShapeType == PKFxFX.Sampler.EShapeType.SphereShape)
{
DrawSphere(i, sampler, worldSpaceSampling);
}
else if (sampler.m_ShapeType == PKFxFX.Sampler.EShapeType.CylinderShape)
{
DrawCylinder(i, sampler, worldSpaceSampling);
}
else if (sampler.m_ShapeType == PKFxFX.Sampler.EShapeType.CapsuleShape)
{
DrawCapsule(i, sampler, worldSpaceSampling);
}
}
}
}
}
}
