void Paint()
{
RaycastHit hit;
// bool anyHits = false;
//bool anyRecivers = false;
var texturesNeedUpdate = new List <ImageData>();
for (int i = 0; i < shoots; i++)
{
if (Physics.Raycast(new Ray(transform.position, transform.forward + transform.right * Random.Range(-spread, spread) + transform.up * Random.Range(-spread, spread)), out hit))
{
var recivers = hit.transform.GetComponentsInParent <PaintingReciever>();
PaintingReciever reciver = null;
// Debug.Log("Hit");
if (recivers.Length > 0)
{
var submesh = 0;
reciver = recivers[0];
// IF FEW SUBMESHES
if (hit.collider.GetType() == typeof(MeshCollider))
{
submesh = ((MeshCollider)hit.collider).sharedMesh.GetSubmeshNumber(hit.triangleIndex);
if (recivers.Length > 1)
{
var mats = reciver.Rendy.materials;
var material = mats[submesh % mats.Length];
reciver = null;
foreach (var r in recivers)
{
if (r.Material == material)
{
reciver = r;
break;
}
}
}
}
else
{
submesh = reciver.materialIndex;
}
// ACTUAL PAINTING
if (reciver != null)
{
var tex = reciver.GetTexture();
if (tex != null)
{
var rendTex = (reciver.texture.GetType() == typeof(RenderTexture)) ? (RenderTexture)reciver.texture : null;
// WORLD SPACE BRUSH
if (rendTex != null)
{
var st = new StrokeVector(hit.point)
{
unRepeatedUV = hit.collider.GetType() == typeof(MeshCollider) ?
(reciver.useTexcoord2 ? hit.textureCoord2 : hit.textureCoord).Floor() : reciver.meshUVoffset,
useTexcoord2 = reciver.useTexcoord2
};
if (reciver.type == PaintingReciever.RendererType.Skinned && reciver.skinnedMeshRenderer != null)
{
BrushTypeSphere.Paint(rendTex, reciver.gameObject, reciver.skinnedMeshRenderer, brush, st, submesh);
}
else if (reciver.type == PaintingReciever.RendererType.regular && reciver.meshFilter != null)
{
var mat = reciver.Material;
if (mat != null && mat.IsAtlased())
{
BrushTypeSphere.PaintAtlased(rendTex, reciver.gameObject,
reciver.originalMesh ? reciver.originalMesh : reciver.meshFilter.sharedMesh, brush, st, new List <int> {
submesh
}, (int)mat.GetFloat(PainterDataAndConfig.atlasedTexturesInARow));
}
else
{
BrushTypeSphere.Paint(rendTex, reciver.gameObject,
reciver.originalMesh ? reciver.originalMesh : reciver.meshFilter.sharedMesh, brush, st, new List <int> {
submesh
});
}
}
}
// TEXTURE SPACE BRUSH
else if (reciver.texture.GetType() == typeof(Texture2D))
{
if (hit.collider.GetType() != typeof(MeshCollider))
{
Debug.Log("Can't get UV coordinates from a Non-Mesh Collider");
}
Blit_Functions.Paint(reciver.useTexcoord2 ? hit.textureCoord2 : hit.textureCoord, 1, (Texture2D)reciver.texture, Vector2.zero, Vector2.one, brush, null);
var id = reciver.texture.GetImgData();
if (!texturesNeedUpdate.Contains(id))
{
texturesNeedUpdate.Add(id);
}
}
else
{
Debug.Log(reciver.gameObject.name + " doesn't have any combination of paintable things setup on his PainterReciver.");
}
}
}
}
}
}
foreach (var t in texturesNeedUpdate)
{
t.SetAndApply(true); // True for Mipmaps. Best to disable mipmaps on textures and set to false
}
//Not to waste performance, don't SetAndApply after each edit, but at the end of the frame (LateUpdate maybe) and only if texture was changed.
//Mip maps will slow things down, so best is to disable them.
// if (!anyHits) Debug.Log("No hits");
// else if (!anyRecivers) Debug.Log("Attach PaintingReciever script to objects you want to Paint on.");
}
