private void MouseCursorEvents() // cursor position
//Vector3 pos = new Vector3 (Input.mousePosition.x, Input.mousePosition.y, 10.0f);
{
VoxelInfo raycast = Engine.VoxelRaycast(Camera.main.ScreenPointToRay(Input.mousePosition), 9999.9f, false);
if (raycast != null)
{
// create a local copy of the hit voxel so we can call functions on it
GameObject voxelObject = Instantiate(Engine.GetVoxelGameObject(raycast.GetVoxel())) as GameObject;
// only execute this if the voxel actually has any events (either VoxelEvents component, or any component that inherits from it)
if (voxelObject.GetComponent <VoxelEvents>() != null)
{
voxelObject.GetComponent <VoxelEvents>().OnLook(raycast);
// for all mouse buttons, send events
for (int i = 0; i < 3; i++)
{
if (Input.GetMouseButtonDown(i))
{
voxelObject.GetComponent <VoxelEvents>().OnMouseDown(i, raycast);
}
if (Input.GetMouseButtonUp(i))
{
voxelObject.GetComponent <VoxelEvents>().OnMouseUp(i, raycast);
}
if (Input.GetMouseButton(i))
{
voxelObject.GetComponent <VoxelEvents>().OnMouseHold(i, raycast);
}
}
}
Destroy(voxelObject);
}
else
{
// disable selected block ui when no block is hit
if (SelectedBlockGraphics != null)
{
SelectedBlockGraphics.GetComponent <Renderer>().enabled = false;
}
if (CrossHairs != null)
{
CrossHairs.GetComponent <Image>().color = Color.white;
}
}
}
private void CameraLookEvents() // first person camera
{
VoxelInfo raycast = Engine.VoxelRaycast(Camera.main.transform.position, Camera.main.transform.forward, Range, false);
if (raycast != null)
{
// create a local copy of the hit voxel so we can call functions on it
GameObject voxelObject = Instantiate(Engine.GetVoxelGameObject(raycast.GetVoxel())) as GameObject;
// only execute this if the voxel actually has any events (either VoxelEvents component, or any component that inherits from it)
if (voxelObject.GetComponent <VoxelEvents>() != null)
{
voxelObject.GetComponent <VoxelEvents>().OnLook(raycast);
// for all mouse buttons, send events
for (int i = 0; i < 3; i++)
{
if (Input.GetMouseButtonDown(i))
{
voxelObject.GetComponent <VoxelEvents>().OnMouseDown(i, raycast);
}
if (Input.GetMouseButtonUp(i))
{
voxelObject.GetComponent <VoxelEvents>().OnMouseUp(i, raycast);
}
if (Input.GetMouseButton(i))
{
voxelObject.GetComponent <VoxelEvents>().OnMouseHold(i, raycast);
}
}
}
Destroy(voxelObject);
}
else
{
// disable selected block ui when no block is hit
if (SelectedBlockGraphics != null)
{
SelectedBlockGraphics.GetComponent <Renderer>().enabled = false;
}
}
}
// a raycast which returns the index of the hit voxel and the gameobject of the hit chunk
public static VoxelInfo VoxelRaycast(Vector3 origin, Vector3 direction, float range, bool ignoreTransparent)
{
RaycastHit hit = new RaycastHit();
if (Physics.Raycast(origin, direction, out hit, range))
{
if (hit.collider.GetComponent <Chunk>() != null ||
hit.collider.GetComponent <ChunkExtension>() != null ||
hit.collider.GetComponent <Blocks>() != null)
{ // check if we're actually hitting a chunk
GameObject hitObject = hit.collider.gameObject;
if (hitObject.GetComponent <ChunkExtension>() != null || hit.collider.GetComponent <Blocks>() != null)
{ // if we hit a mesh container instead of a chunk
hitObject = hitObject.transform.parent.gameObject; // swap the mesh container for the actual chunk object
}
Index hitIndex = hitObject.GetComponent <Chunk>().PositionToVoxelIndex(hit.point, hit.normal, false);
if (ignoreTransparent)
{ // punch through transparent voxels by raycasting again when a transparent voxel is hit
ushort hitVoxel = hitObject.GetComponent <Chunk>().GetVoxel(hitIndex.x, hitIndex.y, hitIndex.z);
if (Engine.GetVoxelType(hitVoxel).VTransparency != Transparency.solid)
{ // if the hit voxel is transparent
Vector3 newOrigin = hit.point;
newOrigin.y -= 0.5f; // push the new raycast down a bit
return(Engine.VoxelRaycast(newOrigin, Vector3.down, range - hit.distance, true));
}
}
return(new VoxelInfo(
hitObject.GetComponent <Chunk>().PositionToVoxelIndex(hit.point, hit.normal, false), // get hit voxel index
hitObject.GetComponent <Chunk>().PositionToVoxelIndex(hit.point, hit.normal, true), // get adjacent voxel index
hitObject.GetComponent <Chunk>())); // get chunk
}
}
// else
return(null);
}
public static VoxelInfo VoxelRaycast(Ray ray, float range, bool ignoreTransparent)
{
return(Engine.VoxelRaycast(ray.origin, ray.direction, range, ignoreTransparent));
}