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;
}
/// <summary>
/// Initiate movement of the model to target position.
/// </summary>
/// <param name="target">Target position.</param>
public virtual void MoveTo(Vector3 target)
{
target = NormalizeEndPosition(MathExtra.VectorOnXZAxis(target));
// if target is same as position, do not move and rotate, if we move it will rotate character 180 degrees
if (MathExtra.VectorOnXZAxis(_position) == target)
{
return;
}
_endPosition = target;
TurnToTarget(target);
_isMovingPrevStatus = _isMoving;
_isMoving = true;
}
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);
}
private void SetUpCollision(int indiceID, int tID, int x, int y)
{
triangle[tID] = new Tri();
triangle[tID].p1 = vertices[x + y * heightMap.Size].Position;
triangle[tID].p2 = vertices[x + (y + 1) * heightMap.Size].Position;
triangle[tID].p3 = vertices[(x + 1) + y * heightMap.Size].Position;
triangle[tID].normal = MathExtra.GetNormal(triangle[tID].p1, triangle[tID].p2, triangle[tID].p3);
triangle[tID].id = indiceID / 6 - 1;
triangle[tID + 1] = new Tri();
triangle[tID + 1].p1 = vertices[(x + 1) + y * heightMap.Size].Position;
triangle[tID + 1].p2 = vertices[x + (y + 1) * heightMap.Size].Position;
triangle[tID + 1].p3 = vertices[(x + 1) + (y + 1) * heightMap.Size].Position;
triangle[tID + 1].normal = MathExtra.GetNormal(triangle[tID + 1].p1, triangle[tID + 1].p2, triangle[tID + 1].p3);
triangle[tID + 1].id = indiceID / 6;
}
/// <summary>
/// Initiate movement of the model to target position.
/// </summary>
/// <param name="x">Target X value.</param>
/// <param name="z">Target Z value.</param>
public virtual void MoveTo(float x, float z)
{
Vector3 target = MathExtra.VectorOnXZAxis(new Vector3(x, 0, z));
MoveTo(target);
}