public Light()
{
Ambient = new Vector3(0.3f);
Diffuse = new Vector3(0.7f);
Specular = new Vector3(0.5f);
Rotation = new Vector2(MathLarx.DegToRad(0), MathLarx.DegToRad(45));
}
private void move(float frameTime)
{
var rx = MathLarx.DegToRad(Rotation.X);
Look.Z += LookSpeed.Z * MathF.Cos(rx);
Look.X += LookSpeed.Z * MathF.Sin(rx);
Look.Z += LookSpeed.X * MathF.Cos(rx + MathF.PI / 2);
Look.X += LookSpeed.X * MathF.Sin(rx + MathF.PI / 2);
LookSpeed /= (frameTime * LookDeceleration) + 1.0f;
}
public void Update(float frameTime)
{
move(frameTime);
rotate(frameTime);
zoom(frameTime);
var rx = MathLarx.DegToRad(Rotation.X);
var ry = MathLarx.DegToRad(Rotation.Y);
Position = new Vector3(
Look.X - (MathF.Sin(rx) * MathF.Cos(ry) * Distance),
Distance * MathF.Sin(ry),
Look.Z - (MathF.Cos(rx) * MathF.Cos(ry) * Distance)
);
ProjectionMatrix = Matrix4.CreatePerspectiveFieldOfView(MathF.PI / 4f, State.Window.Aspect, State.Near, State.Far);
ViewMatrix = Matrix4.LookAt(Position, Look, new Vector3(0, 1, 0));
FrustumPlanes = Frustum.ExtractFrustum(ViewMatrix, ProjectionMatrix);
}
public void Add(Vector2 position, TerrainRenderer terrain, string key)
{
var elev = terrain.HeightMap.GetElevationAtPoint(position);
if (elev == null)
{
return;
}
if (!Map.MapData.Assets.ContainsKey(key))
{
Map.MapData.Assets.Add(key, new List <PlacedAsset>());
}
var count = (State.ToolHardness - 1) * State.ToolHardness + 1;
var half = Map.MapData.MapSize / 2.0f;
for (var i = 0; i < count; i++)
{
var r = (float)(random.NextDouble() * (State.ToolRadius - 1.0f));
var angle = (float)(random.NextDouble() * 2 * MathF.PI);
var x = position.X + r * MathF.Cos(angle);
var y = position.Y + r * MathF.Sin(angle);
var scale = 1.0f + ((float)(random.NextDouble() * 0.5f) - 0.25f);
if (x < -half || x >= half - 1 ||
y < -half || y >= half - 1)
{
continue;
}
Map.MapData.Assets[key].Add(new PlacedAsset(key, new Vector2(x, y), MathLarx.DegToRad((float)random.NextDouble() * 360.0f), scale));
}
assetQuadTree.UpdateQuadTree(terrain);
}