public bool InsideBoundingBox(Heightmap.Tri TestTriangle, BoundingSquare Box)
{
bool inside = false;
if (TestTriangle.p1.X >= Box.UpperLeft.X && TestTriangle.p1.X <= Box.UpperRight.X)
{
if (TestTriangle.p1.Z >= Box.LowerLeft.Z && TestTriangle.p1.X <= Box.UpperLeft.Z)
{
inside = true;
}
}
if (TestTriangle.p2.X >= Box.UpperLeft.X && TestTriangle.p2.X <= Box.UpperRight.X)
{
if (TestTriangle.p2.Z >= Box.LowerLeft.Z && TestTriangle.p2.X <= Box.UpperLeft.Z)
{
inside = true;
}
}
if (TestTriangle.p3.X >= Box.UpperLeft.X && TestTriangle.p3.X <= Box.UpperRight.X)
{
if (TestTriangle.p3.Z >= Box.LowerLeft.Z && TestTriangle.p3.X <= Box.UpperLeft.Z)
{
inside = true;
}
}
return(inside);
}
private void timer1_Tick(object sender, EventArgs e)
{
ms = Mouse.GetState();
Ray pickRay = Editor.heightmap.GetPickRay();
float rayLength = 0f;
if (Editor.camera.state == Camera.State.Fixed && layerID != -1 && currentTool != Tool.Select)
{
heightmap.bShowCursor = true;
for (int i = 0; i < heightmap.triangle.Length; i++)
{
Heightmap.Tri thisTri = heightmap.triangle[i];
if (MathExtra.Intersects(pickRay, thisTri.p1, thisTri.p3, thisTri.p2, thisTri.normal, false, true, out rayLength))
{
heightmap.testTriangle[2].SetNewCoordinates(thisTri.p1, thisTri.p2, thisTri.p3, Microsoft.Xna.Framework.Graphics.Color.White);
Vector3 rayTarget = pickRay.Position + pickRay.Direction * rayLength;
heightmap.groundCursorPosition.X = rayTarget.X / (heightmap.size.X * heightmap.cellSize.X);
heightmap.groundCursorPosition.Y = rayTarget.Y;
heightmap.groundCursorPosition.Z = rayTarget.Z / (heightmap.size.Y * heightmap.cellSize.Y);
Point pixel = new Point((int)(rayTarget.X / heightmap.cellSize.X), (int)(rayTarget.Z / heightmap.cellSize.Y));
if (rayLength > 0f)
{
if (ms.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
switch (currentTool)
{
case Tool.Fill:
heightmap.Paint(pixel.X, pixel.Y, heightmap.groundCursorStrength / 100f, layerID - 1);
break;
case Tool.Unfill:
heightmap.Paint(pixel.X, pixel.Y, -heightmap.groundCursorStrength / 100f, layerID - 1);
break;
}
}
}
}
}
}
else if (heightmap.bShowCursor)
{
heightmap.bShowCursor = false;
}
}
//Brute force method
private void CheckTerrainRay() {
Ray sunSay = new Ray( Editor.camera.position, direction );
bHasBlockedRay = false;
if( Editor.heightmap != null && Editor.heightmap.triangle != null && Editor.heightmap.triangle.Length > 0 ) {
for( int i = 0; i < Editor.heightmap.triangle.Length; i++ ) {
Heightmap.Tri triangle = Editor.heightmap.triangle[ i ];
float rayLength = 0f;
if( MathExtra.Intersects( sunSay, triangle.p1, triangle.p2, triangle.p3, triangle.normal, true, true, out rayLength ) ) {
bHasBlockedRay = true;
break;
}
}
}
}
private void timer1_Tick(object sender, EventArgs e)
{
ms = Mouse.GetState();
//List<int> TriangleList = new List<int>();
int o = 0;
Ray pickRay = Editor.heightmap.GetPickRay();
float rayLength = 0f;
float?rayLengthParent;
//TODO: Use a QuadTree
if (ms.MiddleButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
o += 1;
}
//if (heightmap.quadTree != null)
heightmap.quadTree.boundingBox.Intersects(ref pickRay, out rayLengthParent);
if (rayLengthParent == null)
{
o += 1;
}
else
//if (MathExtra.Intersects(pickRay, heightmap.quadTree.BoundingCoordinates.LowerRight, heightmap.quadTree.BoundingCoordinates.UpperRight, heightmap.quadTree.BoundingCoordinates.UpperLeft, Vector3.Up, true, false, out rayLengthParent) || MathExtra.Intersects(pickRay, heightmap.quadTree.BoundingCoordinates.LowerRight, heightmap.quadTree.BoundingCoordinates.UpperLeft, heightmap.quadTree.BoundingCoordinates.LowerLeft, Vector3.Up, true, false, out rayLengthParent))
{
Vector3 rayTargetParent = pickRay.Position + pickRay.Direction * (float)rayLengthParent;
if (rayLengthParent >= 0f)
{
//Parse Quadtree based on rayTarget.Position
// List<int> TriangleList = heightmap.quadTree.GetTriangleIndexes(heightmap.quadTree.NodeList[0], rayTargetParent.X, rayTargetParent.Z);
List <int> TriangleList = new List <int>();
heightmap.quadTree.GetTriangleIndexes(heightmap.quadTree.NodeList[0], ref TriangleList, ref pickRay);
if (Editor.camera.state == Camera.State.Fixed)
{
//for (int i = 0; i < heightmap.triangle.Length; i++)
foreach (int i in TriangleList)
{
Heightmap.Tri thisTri = heightmap.triangle[i];
//heightmap.testTriangle[6].SetNewCoordinates(thisTri.p1, thisTri.p2, thisTri.p3, Microsoft.Xna.Framework.Graphics.Color.Pink);
if (MathExtra.Intersects(pickRay, thisTri.p1, thisTri.p2, thisTri.p3, thisTri.normal, false, true, out rayLength))
{
//heightmap.testTriangle[6].SetNewCoordinates(thisTri.p1, thisTri.p2, thisTri.p3, Microsoft.Xna.Framework.Graphics.Color.Red);
Vector3 rayTarget = pickRay.Position + pickRay.Direction * rayLength;
heightmap.groundCursorPosition.X = rayTarget.X / (heightmap.size.X * heightmap.cellSize.X);
heightmap.groundCursorPosition.Y = rayTarget.Y;
heightmap.groundCursorPosition.Z = rayTarget.Z / (heightmap.size.Y * heightmap.cellSize.Y);
if (rayLength > 0f)
{
if (ms.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
{
bEditing = true;
switch (currentTool)
{
case Tool.Raise:
heightmap.RiseHeight(thisTri.id);
break;
case Tool.Lower:
heightmap.LowerHeight(thisTri.id);
break;
case Tool.Smooth:
heightmap.Smooth(thisTri.id);
break;
case Tool.Flatten:
if (!bHeightSet)
{
heightmap.flattenHeight = heightmap.groundCursorPosition.Y;
bHeightSet = true;
}
heightmap.FlattenVertices(thisTri.id);
break;
}
}
else if (bHeightSet)
{
bHeightSet = false;
}
}
break;
}
}
}
}
}
if (bEditing && ms.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Released)
{
bEditing = false;
Editor.heightmap.CalculateNormals();
//Game1.heightmap.CalculateLightmapNormals();
//Game1.heightmap.GenerateNormals();
}
}
