private void Start()
{
if (Edition.IsDecalSystemFree)
{
Debug.Log("This demo only works with Decal System Pro.");
enabled = false;
}
else
{
// Instantiate the prefab and get its decals instance.
m_DecalsInstance = Instantiate(m_DecalsPrefab) as DS_Decals;
if (m_DecalsInstance == null)
{
Debug.LogError("The decals prefab does not contain a DS_Decals instance!");
}
else
{
// Create the decals mesh and the cutter that are needed to compute the projections.
// We also cache the world to decals matrix.
m_DecalsMesh = new DecalsMesh(m_DecalsInstance);
m_DecalsMesh.PreserveProjectedUVArrays = true;
m_DecalsMeshCutter = new DecalsMeshCutter();
m_WorldToDecalsMatrix = m_DecalsInstance.CachedTransform.worldToLocalMatrix;
StartCoroutine(UpdateUVRectangleIndices());
}
}
}
// Move on to the next uv rectangle index. We call this method after each projection. In practice
// you certainly don't do that, but pick an appropriate one depending on the surface that was hit.
private void NextUVRectangleIndex(DS_Decals a_DecalsInstance)
{
m_UVRectangleIndex = m_UVRectangleIndex + 1;
if (m_UVRectangleIndex >= a_DecalsInstance.CurrentUvRectangles.Length) {
m_UVRectangleIndex = 7;
}
}
// Move on to the next uv rectangle index. We call this method after each projection. In practice
// you certainly don't do that, but pick an appropriate one depending on the surface that was hit.
private void NextUVRectangleIndex(DS_Decals a_DecalsInstance)
{
m_UVRectangleIndex = m_UVRectangleIndex + 1;
if (m_UVRectangleIndex >= a_DecalsInstance.CurrentUvRectangles.Length)
{
m_UVRectangleIndex = 7;
}
}
// Move on to the next uv rectangle index.
private void NextUVRectangleIndex(DS_Decals a_Decals)
{
m_UVRectangleIndex = m_UVRectangleIndex + 1;
if (m_UVRectangleIndex >= a_Decals.uvRectangles.Length)
{
m_UVRectangleIndex = 7;
}
}
private void Start()
{
// Instantiate the prefab and get its decals instance.
m_DecalsInstance = Instantiate (m_DecalsPrefab) as DS_Decals;
if (m_DecalsInstance == null) {
Debug.LogError ("The decals prefab does not contain a DS_Decals instance!");
} else {
// Create the decals mesh and the cutter that are needed to compute the projections.
// We also cache the world to decals matrix.
m_DecalsMesh = new DecalsMesh (m_DecalsInstance);
m_DecalsMeshCutter = new DecalsMeshCutter ();
m_WorldToDecalsMatrix = m_DecalsInstance.CachedTransform.worldToLocalMatrix;
}
}
private void Start()
{
// Instantiate the prefab and get its decals instance.
GameObject l_Instance = Instantiate (decalsPrefab) as GameObject;
m_Decals = l_Instance.GetComponentInChildren <DS_Decals> ();
if (m_Decals == null) {
Debug.LogError ("The 'decalsPrefab' does not contain a 'DS_Decals' instance!");
} else {
// Create the decals mesh (intermediate mesh data) for our decals instance.
// Further we need a decals mesh cutter instance and the world to decals matrix.
m_DecalsMesh = new DecalsMesh (m_Decals);
m_DecalsMeshCutter = new DecalsMeshCutter ();
m_WorldToDecalsMatrix = m_Decals.CachedTransform.worldToLocalMatrix;
}
}
private void Start()
{
// Instantiate the prefab and get its decals instance.
m_DecalsInstance = Instantiate(m_DecalsPrefab) as DS_Decals;
if (m_DecalsInstance == null)
{
Debug.LogError("The decals prefab does not contain a DS_Decals instance!");
}
else
{
// Create the decals mesh and the cutter that are needed to compute the projections.
// We also cache the world to decals matrix.
m_DecalsMesh = new DecalsMesh(m_DecalsInstance);
m_DecalsMeshCutter = new DecalsMeshCutter();
m_WorldToDecalsMatrix = m_DecalsInstance.CachedTransform.worldToLocalMatrix;
}
}
private void Start()
{
// Instantiate the prefab and get its decals instance.
GameObject l_Instance = Instantiate(decalsPrefab) as GameObject;
m_Decals = l_Instance.GetComponentInChildren <DS_Decals> ();
if (m_Decals == null)
{
Debug.LogError("The 'decalsPrefab' does not contain a 'DS_Decals' instance!");
}
else
{
// Create the decals mesh (intermediate mesh data) for our decals instance.
// Further we need a decals mesh cutter instance and the world to decals matrix.
m_DecalsMesh = new DecalsMesh(m_Decals);
m_DecalsMeshCutter = new DecalsMeshCutter();
m_WorldToDecalsMatrix = m_Decals.CachedTransform.worldToLocalMatrix;
}
}
private void Start()
{
// Instantiate the prefab and get its decals instance.
m_DecalsInstance = Instantiate(m_DecalsPrefab) as DS_Decals;
// Make sure the decals move with this dynamic object.
m_DecalsInstance.transform.parent = transform;
m_DecalsInstance.transform.localPosition = Vector3.zero;
m_DecalsInstance.transform.localScale = Vector3.one;
if (m_DecalsInstance == null)
{
Debug.LogError("The decals prefab does not contain a DS_Decals instance!");
}
else
{
// Create the decals mesh and the cutter that are needed to compute the projections.
m_DecalsMesh = new DecalsMesh(m_DecalsInstance);
m_DecalsMeshCutter = new DecalsMeshCutter();
}
}
private void Start()
{
if (Edition.IsDecalSystemFree) {
Debug.Log ("This demo only works with Decal System Pro.");
enabled = false;
} else {
// Instantiate the prefab and get its decals instance.
m_DecalsInstance = Instantiate (m_DecalsPrefab) as DS_Decals;
m_DecalsInstance.UseVertexColors = true;
if (m_DecalsInstance == null) {
Debug.LogError ("The decals prefab does not contain a DS_Decals instance!");
} else {
// Create the decals mesh and the cutter that are needed to compute the projections.
// We also cache the world to decals matrix.
m_DecalsMesh = new DecalsMesh (m_DecalsInstance);
m_DecalsMeshCutter = new DecalsMeshCutter ();
m_WorldToDecalsMatrix = m_DecalsInstance.CachedTransform.worldToLocalMatrix;
}
}
}
private void Update()
{
if (Input.GetButtonDown("Fire1"))
{
Ray l_Ray = Camera.main.ViewportPointToRay(new Vector3(0.5f, 0.5f, 0.0f));
RaycastHit l_RaycastHit;
// Terrains have no uv2, so we just skip them.
if
(Physics.Raycast(l_Ray, out l_RaycastHit, Mathf.Infinity) &&
l_RaycastHit.collider as TerrainCollider == null)
{
// Collider hit.
// Make sure there are not too many decals instances.
if (m_DecalsInstances.Count >= 50)
{
m_DecalsInstances.RemoveAt(0);
}
// Instantiate the prefab and get its decals instance.
GameObject l_Instance = Instantiate(decalsPrefab) as GameObject;
DS_Decals l_Decals = l_Instance.GetComponentInChildren <DS_Decals> ();
// Reuse the decals mesh, but be sure to initialize it always for the current
// decals instance.
m_DecalsMesh.Initialize(l_Decals);
// Calculate the position and rotation for the new decal projector.
Vector3 l_ProjectorPosition = l_RaycastHit.point - (decalProjectorOffset * l_Ray.direction.normalized);
Vector3 l_ForwardDirection = Camera.main.transform.up;
Vector3 l_UpDirection = -Camera.main.transform.forward;
Quaternion l_ProjectorRotation = Quaternion.LookRotation(l_ForwardDirection, l_UpDirection);
// Randomize the rotation.
Quaternion l_RandomRotation = Quaternion.Euler(0.0f, Random.Range(0.0f, 360.0f), 0.0f);
l_ProjectorRotation = l_ProjectorRotation * l_RandomRotation;
// We hit a collider. Next we have to find the mesh that belongs to the collider.
// That step depends on how you set up your mesh filters and collider relative to
// each other in the game objects. It is important to have a consistent way in order
// to have a simpler implementation.
MeshCollider l_MeshCollider = l_RaycastHit.collider.GetComponent <MeshCollider> ();
MeshFilter l_MeshFilter = l_RaycastHit.collider.GetComponent <MeshFilter> ();
MeshRenderer l_MeshRenderer = l_RaycastHit.collider.GetComponent <MeshRenderer> ();
if (l_MeshCollider != null || l_MeshFilter != null)
{
Mesh l_Mesh = null;
if (l_MeshCollider != null)
{
// Mesh collider was hit. Just use the mesh data from that one.
l_Mesh = l_MeshCollider.sharedMesh;
}
else if (l_MeshFilter != null)
{
// Otherwise take the data from the shared mesh.
l_Mesh = l_MeshFilter.sharedMesh;
}
if (l_Mesh != null)
{
// Create the decal projector.
DecalProjector l_DecalProjector = new DecalProjector(l_ProjectorPosition, l_ProjectorRotation, decalProjectorScale, cullingAngle, meshOffset, m_UVRectangleIndex, m_UVRectangleIndex);
// All the mesh data that is now added to the decals mesh
// will belong to this projector.
m_DecalsMesh.AddProjector(l_DecalProjector);
// Get the required matrices.
Matrix4x4 l_WorldToMeshMatrix = l_RaycastHit.collider.renderer.transform.worldToLocalMatrix;
Matrix4x4 l_MeshToWorldMatrix = l_RaycastHit.collider.renderer.transform.localToWorldMatrix;
// Add the mesh data to the decals mesh, cut and offset it before we pass it
// to the decals instance to be displayed.
m_DecalsMesh.Add(l_Mesh, l_WorldToMeshMatrix, l_MeshToWorldMatrix);
m_DecalsMeshCutter.CutDecalsPlanes(m_DecalsMesh);
m_DecalsMesh.OffsetActiveProjectorVertices();
l_Decals.UpdateDecalsMeshes(m_DecalsMesh);
// Lightmapping
l_Decals.DecalsMeshRenderers [0].MeshRenderer.lightmapIndex = l_MeshRenderer.lightmapIndex;
l_Decals.DecalsMeshRenderers [0].MeshRenderer.lightmapTilingOffset = l_MeshRenderer.lightmapTilingOffset;
// For the next hit, use a new uv rectangle. Usually, you would select the uv rectangle
// based on the surface you have hit.
NextUVRectangleIndex(l_Decals);
}
}
}
}
}
private void Start()
{
// Instantiate the prefab and get its decals instance.
m_DecalsInstance = Instantiate (m_DecalsPrefab) as DS_Decals;
// Make sure the decals move with this dynamic object.
m_DecalsInstance.transform.parent = transform;
m_DecalsInstance.transform.localPosition = Vector3.zero;
m_DecalsInstance.transform.localScale = Vector3.one;
if (m_DecalsInstance == null) {
Debug.LogError ("The decals prefab does not contain a DS_Decals instance!");
} else {
// Create the decals mesh and the cutter that are needed to compute the projections.
m_DecalsMesh = new DecalsMesh (m_DecalsInstance);
m_DecalsMeshCutter = new DecalsMeshCutter ();
}
}
