public void Update()
{
Ray pickRay = MathExtra.CalculateCursorRay(AIGame.camera.ProjectionMatrix, AIGame.camera.ViewMatrix);
float rayLength = 0f;
for (int i = 0; i < triangle.Length; i++)
{
Tri thisTri = triangle[i];
if (MathExtra.Intersects(pickRay, thisTri.p1, thisTri.p3, thisTri.p2, thisTri.normal, false, true, out rayLength))
{
Vector3 rayTarget = pickRay.Position + pickRay.Direction * rayLength;
groundCursorPosition.X =
rayTarget.X / (
//heightMap.Size * (heightMap.GridSpacing - 1)) *
//(((float)heightMap.Size * ((float)heightMap.GridSpacing - 1)) /
Settings.TERRAIN_TEXTURE_SIZE);
groundCursorPosition.Y = rayTarget.Y;
groundCursorPosition.Z =
rayTarget.Z / (
// heightMap.Size * (heightMap.GridSpacing - 1)) *
//(((float)heightMap.Size * ((float)heightMap.GridSpacing - 1)) /
Settings.TERRAIN_TEXTURE_SIZE);
}
}
lastGroundCursorPos = groundCursorPosition;
}
public Vector3?IsIntersected(Ray ray)
{
float rayLength = 0f;
for (int i = 0; i < triangle.Length; i++)
{
Tri thisTri = triangle[i];
if (MathExtra.Intersects(ray, thisTri.p1, thisTri.p3, thisTri.p2, thisTri.normal, false, true, out rayLength))
{
Vector3 rayTarget = ray.Position + ray.Direction * rayLength;
return(rayTarget);
}
}
return(null);
}