/*
* /// <summary>
* /// Test line-triangle intersection
* /// </summary>
* void OnDrawGizmos()
* {
* if(!Application.isPlaying)
* return;
*
* DrawPolyline.ForGizmo(new Vector3[] {_handle1.transform.position, _handle2.transform.position, _handle3.transform.position, _handle1.transform.position }, Color.white);
*
* //var screenRay = SceneView.currentDrawingSceneView.camera.ScreenPointToRay(Input.mousePosition);
* var screenRay = new Ray(Vector3.zero, Vector3.forward);
* Debug.DrawRay(screenRay.origin, screenRay.direction * 1000, Color.yellow);
* Vector3 intersectPos;
* var result = Intersections.LineTriangleIntersection(screenRay, _handle1.transform.position, _handle2.transform.position,
* _handle3.transform.position, out intersectPos);
*
* if(result == 1)
* {
* Gizmos.color = Color.red;
* Gizmos.DrawSphere(intersectPos, 0.1f);
* }
* else
* Debug.Log(result);
* }
*/
/// <summary>
/// Test barycentric interpolation
/// </summary>
void OnDrawGizmos()
{
if (!Application.isPlaying)
{
return;
}
_handle1.transform.position = (Vector2)_handle1.transform.position;
_handle2.transform.position = (Vector2)_handle2.transform.position;
_handle3.transform.position = (Vector2)_handle3.transform.position;
_handle4.transform.position = (Vector2)_handle4.transform.position;
DrawPolyline.ForGizmo(new[]
{
_handle1.transform.position, _handle2.transform.position, _handle3.transform.position
}, Color.white, true);
Gizmos.color = Color.red;
Gizmos.DrawSphere(_handle1.transform.position, 0.5f);
Gizmos.color = Color.green;
Gizmos.DrawSphere(_handle2.transform.position, 0.5f);
Gizmos.color = Color.blue;
Gizmos.DrawSphere(_handle3.transform.position, 0.5f);
var result = Intersections.Barycentric2DCoords(_handle4.transform.position, _handle1.transform.position,
_handle2.transform.position, _handle3.transform.position);
Debug.Log(result);
var resultColor = new Color(result.x, result.y, result.z);
Gizmos.color = resultColor;
Gizmos.DrawSphere(_handle4.transform.position, 0.5f);
}
private void DrawChunkAndBlock(Vector2 worldPosition)
{
const float yOffset = 0.01f;
if (IsMapMode())
{
var chunkPos = Chunk.GetPosition(worldPosition);
Chunk chunk;
if (_main.Map.Map.TryGetValue(chunkPos, out chunk))
{
//Draw chunk bounds
var chunkBounds = (Bounds)Chunk.GetBounds(chunkPos);
var r1 = new Vector3(chunkBounds.min.x, chunk.HeightMap[0, 0] + yOffset, chunkBounds.min.z);
var r2 = new Vector3(chunkBounds.max.x, chunk.HeightMap[chunk.GridSize - 1, 0] + yOffset, chunkBounds.min.z);
var r3 = new Vector3(chunkBounds.min.x, chunk.HeightMap[0, chunk.GridSize - 1] + yOffset, chunkBounds.max.z);
var r4 = new Vector3(chunkBounds.max.x, chunk.HeightMap[chunk.GridSize - 1, chunk.GridSize - 1] + yOffset,
chunkBounds.max.z);
DrawPolyline.ForGizmo(GetChunkPolyBound(chunk, yOffset), Color.red);
//Draw block bounds
var blockPos = (Vector2i)worldPosition;
var localPos = Chunk.GetLocalPosition(worldPosition);
r1 = new Vector3(blockPos.X, chunk.HeightMap[localPos.X, localPos.Z] + yOffset, blockPos.Z);
r2 = new Vector3(blockPos.X + 1, chunk.HeightMap[localPos.X + 1, localPos.Z] + yOffset, blockPos.Z);
r3 = new Vector3(blockPos.X, chunk.HeightMap[localPos.X, localPos.Z + 1] + yOffset, blockPos.Z + 1);
r4 = new Vector3(blockPos.X + 1, chunk.HeightMap[localPos.X + 1, localPos.Z + 1] + yOffset, blockPos.Z + 1);
DrawRectangle.ForDebug(r1, r2, r4, r3, Color.red);
//Draw block normal
var n1 = chunk.NormalMap[localPos.X, localPos.Z];
var blockCenter = (r1 + r2 + r3 + r4) / 4;
DrawArrow.ForDebug(blockCenter, n1, Color.red);
}
}
else //Layout mode
{
//Draw chunk bounds
var chunkPos = Chunk.GetPosition(worldPosition);
var chunkBounds = Chunk.GetBounds(chunkPos);
DrawRectangle.ForGizmo(chunkBounds, Color.red);
//Draw block bounds
DrawRectangle.ForGizmo(new Bounds2i((Vector2i)worldPosition, 1, 1), Color.red);
}
}
