private void GetFireParameters(out Vec3 pos, out Quat rot, out float speed)
{
Camera camera = RendererWorld.Instance.DefaultCamera;
pos = catapult.Position + new Vec3(0, 0, .7f);
Radian verticalAngle = new Degree(30).InRadians();
rot = Quat.Identity;
speed = 0;
if (catapultFiring)
{
Ray startRay = camera.GetCameraToViewportRay(catapultFiringMouseStartPosition);
Ray ray = camera.GetCameraToViewportRay(MousePosition);
Plane plane = Plane.FromPointAndNormal(pos, Vec3.ZAxis);
Vec3 startRayPos;
if (!plane.RayIntersection(startRay, out startRayPos))
{
//must never happen
}
Vec3 rayPos;
if (!plane.RayIntersection(ray, out rayPos))
{
//must never happen
}
Vec2 diff = rayPos.ToVec2() - startRayPos.ToVec2();
Radian horizonalAngle = MathFunctions.ATan(diff.Y, diff.X) + MathFunctions.PI;
SphereDir dir = new SphereDir(horizonalAngle, verticalAngle);
rot = Quat.FromDirectionZAxisUp(dir.GetVector());
float distance = diff.Length();
//3 meters clamp
MathFunctions.Clamp(ref distance, .001f, 3);
speed = distance * 10;
}
}
private bool GetGameAreaCursorPosition(out Vec2 position)
{
position = Vec2.Zero;
Plane plane = new Plane(0, 0, 1, 0);
Ray ray = RendererWorld.Instance.DefaultCamera.GetCameraToViewportRay(
EngineApp.Instance.MousePosition);
if (float.IsNaN(ray.Direction.X))
{
return(false);
}
float scale;
if (!plane.RayIntersection(ray, out scale))
{
return(false);
}
position = ray.GetPointOnRay(scale).ToVec2();
return(true);
}
//Draw minimap
void Minimap_RenderUI( EControl sender, GuiRenderer renderer )
{
Rect screenMapRect = sender.GetScreenRectangle();
Bounds initialBounds = Map.Instance.InitialCollisionBounds;
Rect mapRect = new Rect( initialBounds.Minimum.ToVec2(), initialBounds.Maximum.ToVec2() );
Vec2 mapSizeInv = new Vec2( 1, 1 ) / mapRect.Size;
//draw units
Vec2 screenPixel = new Vec2( 1, 1 ) / new Vec2( EngineApp.Instance.VideoMode.Size.ToVec2() );
foreach( Entity entity in Map.Instance.Children )
{
RTSUnit unit = entity as RTSUnit;
if( unit == null )
continue;
Rect rect = new Rect( unit.MapBounds.Minimum.ToVec2(), unit.MapBounds.Maximum.ToVec2() );
rect -= mapRect.Minimum;
rect.Minimum *= mapSizeInv;
rect.Maximum *= mapSizeInv;
rect.Minimum = new Vec2( rect.Minimum.X, 1.0f - rect.Minimum.Y );
rect.Maximum = new Vec2( rect.Maximum.X, 1.0f - rect.Maximum.Y );
rect.Minimum *= screenMapRect.Size;
rect.Maximum *= screenMapRect.Size;
rect += screenMapRect.Minimum;
//increase 1 pixel
rect.Maximum += new Vec2( screenPixel.X, -screenPixel.Y );
ColorValue color;
if( playerFaction == null || unit.Intellect == null || unit.Intellect.Faction == null )
color = new ColorValue( 1, 1, 0 );
else if( playerFaction == unit.Intellect.Faction )
color = new ColorValue( 0, 1, 0 );
else
color = new ColorValue( 1, 0, 0 );
renderer.AddQuad( rect, color );
}
//Draw camera borders
{
Camera camera = RendererWorld.Instance.DefaultCamera;
if( camera.Position.Z > 0 )
{
Plane groundPlane = new Plane( 0, 0, 1, 0 );
Vec2[] points = new Vec2[ 4 ];
for( int n = 0; n < 4; n++ )
{
Vec2 p = Vec2.Zero;
switch( n )
{
case 0: p = new Vec2( 0, 0 ); break;
case 1: p = new Vec2( 1, 0 ); break;
case 2: p = new Vec2( 1, 1 ); break;
case 3: p = new Vec2( 0, 1 ); break;
}
Ray ray = camera.GetCameraToViewportRay( p );
float scale;
groundPlane.RayIntersection( ray, out scale );
Vec3 pos = ray.GetPointOnRay( scale );
if( ray.Direction.Z > 0 )
pos = ray.Origin + ray.Direction.GetNormalize() * 10000;
Vec2 point = pos.ToVec2();
point -= mapRect.Minimum;
point *= mapSizeInv;
point = new Vec2( point.X, 1.0f - point.Y );
point *= screenMapRect.Size;
point += screenMapRect.Minimum;
points[ n ] = point;
}
for( int n = 0; n < 4; n++ )
renderer.AddLine( points[ n ], points[ ( n + 1 ) % 4 ], new ColorValue( 1, 1, 1 ),
screenMapRect );
}
}
}
bool GetGameAreaCursorPosition( out Vec2 position )
{
position = Vec2.Zero;
Plane plane = new Plane( 0, 0, 1, 0 );
Ray ray = RendererWorld.Instance.DefaultCamera.GetCameraToViewportRay(
EngineApp.Instance.MousePosition );
if( float.IsNaN( ray.Direction.X ) )
return false;
float scale;
if( !plane.RayIntersection( ray, out scale ) )
return false;
position = ray.GetPointOnRay( scale ).ToVec2();
return true;
}