// public Vector2 Size {
// get {
// //return GetComponent<MeshFilter>().mesh.bounds.size;
// return gameObject.GetComponent<MeshCollider> ().bounds.size;
// }
// }
void Update()
{
if (Input.GetKeyUp(KeyCode.N))
{
operation = CanvasOperationType.Erase;
}
else if (Input.GetKeyUp(KeyCode.Y))
{
operation = CanvasOperationType.Draw;
}
}
void DrawPath(CanvasOperationType op)
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hitInfo;
// Debug.DrawRay(ray.origin, ray.direction);
//Debug.DrawLine(ray.origin, new Vector3(ray.origin.x, ray.origin.y, ray.origin.z + 100), Color.green);
RaycastHit2D hit = Physics2D.Raycast(ray.origin, ray.direction);
//RaycastHit2D hit2 = Physics2D.GetRayIntersection (ray, 1000);
if (hit.transform != null)
{
//Debug.Log("hit:" + hit.transform.gameObject.name);
}
if (collider.Raycast(ray, out hitInfo, 100))
{
Debug.DrawLine(ray.origin, hitInfo.point, Color.red);
if (!Physics.Raycast(ray, hitInfo.distance - 0.01f))
{
Vector2 texCoord = hitInfo.textureCoord;
if (hitInfo.textureCoord.x >= 0 && hitInfo.textureCoord.x <= 1.0f
&& hitInfo.textureCoord.y >= 0 && hitInfo.textureCoord.y <= 1.0f)
{
int drawPosX = Convert.ToInt32(hitInfo.textureCoord.x * _drawingBoard.width + penOffsetX);
int drawPosY = Convert.ToInt32(hitInfo.textureCoord.y * _drawingBoard.height + penOffsetY);
/*
_canvas.SetPixels( drawPosX, drawPosY, penSizeX, penSizeY, penPixels );
_canvas.Apply();
*/
for (int i = 0; i < penSizeX; i++)
{
for (int k = 0; k < penSizeY; k++)
{
Color sc = _drawingBoard.GetPixel(drawPosX + i, drawPosY + k);
Color dc = penTexture.GetPixel(i, k);
if (op == CanvasOperationType.Draw)
{
if (sc.a < 0.9f && dc.a > 0.9f)
{
_drawingBoard.SetPixel(drawPosX + i, drawPosY + k, dc);
}
}
else
{
if (sc.a > 0.9f && dc.a > 0.9f)
{
_drawingBoard.SetPixel(drawPosX + i, drawPosY + k, Color.clear);
}
}
}
}
_drawingBoard.Apply();
}
}
}
}
