public override void OnFrameUpdate(Matrix matrix, Camera camera)
{
ViewScreenPos = matrix.Transform(WorldPosition.X, WorldPosition.Y);//sets the zoom position.
var camerapoint = camera.CameraViewCoordinate();
_drawPoints = new SDL.SDL_Point[2];
/*
* var translated = matrix.Transform(_translateStartPoint.X, _translateStartPoint.Y);
* int x = (int)(ViewScreenPos.x + translated.x + camerapoint.x);
* int y = (int)(ViewScreenPos.y + translated.y + camerapoint.y);
* _drawPoints[0] = new SDL.SDL_Point() { x = x, y = y };
*/
var translated = matrix.Transform(_currentPosition.X, _currentPosition.Y);
int x = (int)(ViewScreenPos.x + translated.x + camerapoint.x);
int y = (int)(ViewScreenPos.y + translated.y + camerapoint.y);
_drawPoints[0] = new SDL.SDL_Point()
{
x = x, y = y
};
translated = matrix.Transform(_translateEndPoint.X, _translateEndPoint.Y);
x = (int)(ViewScreenPos.x + translated.x + camerapoint.x);
y = (int)(ViewScreenPos.y + translated.y + camerapoint.y);
_drawPoints[1] = new SDL.SDL_Point()
{
x = x, y = y
};
}
public void OnFrameUpdate(Matrix matrix, Camera camera)
{
_departIcon.OnFrameUpdate(matrix, camera);
if (_arriveIcon != null)
{
_arriveIcon.OnFrameUpdate(matrix, camera);
var camerapoint = camera.CameraViewCoordinate();
_linePoints = new SDL_Point[2];
var depart = matrix.Transform(_departIcon.WorldPosition.X, _departIcon.WorldPosition.Y);
_linePoints[0] = new SDL_Point()
{
x = (depart.x + camerapoint.x),
y = (depart.y + camerapoint.y)
};
var arrive = matrix.Transform(_arriveIcon.WorldPosition.X, _arriveIcon.WorldPosition.Y);
_linePoints[1] = new SDL_Point()
{
x = (arrive.x + camerapoint.x),
y = (arrive.y + camerapoint.y)
};
}
}
public override void Draw(IntPtr rendererPtr, Camera camera)
{
PhysicsUpdate();
base.Draw(rendererPtr, camera);
byte oR, oG, oB, oA;
SDL.SDL_GetRenderDrawColor(rendererPtr, out oR, out oG, out oB, out oA);
SDL.SDL_BlendMode blendMode;
SDL.SDL_GetRenderDrawBlendMode(rendererPtr, out blendMode);
SDL.SDL_SetRenderDrawBlendMode(rendererPtr, SDL.SDL_BlendMode.SDL_BLENDMODE_BLEND);
//get matrix transformations for zoom
Matrix matrix = new Matrix();
matrix.Scale(camera.ZoomLevel);
int index = _index;
var camerapoint = camera.CameraViewCoordinate();
var translatedPoints = new SDL.SDL_Point[_numberOfDrawSegments];
for (int i = 0; i < _numberOfDrawSegments; i++)
{
if (index < _numberOfArcSegments - 1)
{
index++;
}
else
{
index = 0;
}
var translated = matrix.Transform(_points[index].x, _points[index].y); //add zoom transformation.
//translate everything to viewscreen & camera positions
int x = (int)(ViewScreenPos.x + translated.x + camerapoint.x);
int y = (int)(ViewScreenPos.y + translated.y + camerapoint.y);
translatedPoints[i] = new SDL.SDL_Point()
{
x = x, y = y
};
}
//now we draw a line between each of the points in the translatedPoints[] array.
float alpha = MaxAlpha;
for (int i = 0; i < _numberOfDrawSegments - 1; i++)
{
SDL.SDL_SetRenderDrawColor(rendererPtr, Red, Grn, Blu, (byte)alpha);//we cast the alpha here to stop rounding errors creaping up.
SDL.SDL_RenderDrawLine(rendererPtr, translatedPoints[i].x, translatedPoints[i].y, translatedPoints[i + 1].x, translatedPoints[i + 1].y);
alpha -= _alphaChangeAmount;
}
SDL.SDL_SetRenderDrawColor(rendererPtr, oR, oG, oB, oA);
SDL.SDL_SetRenderDrawBlendMode(rendererPtr, blendMode);
}
public override void OnFrameUpdate(Matrix matrix, Camera camera)
{
CreatePointArray();
ViewScreenPos = matrix.Transform(WorldPosition.X, WorldPosition.Y);//sets the zoom position.
_soiViewRadius = camera.ViewDistance(_soiWorldRadius);
int index = _index;
var camerapoint = camera.CameraViewCoordinate();
//ViewScreenPos += camerapoint;
var vsp = new SDL.SDL_Point()
{
x = ViewScreenPos.x + camerapoint.x,
y = ViewScreenPos.y + camerapoint.y
};
ViewScreenPos = vsp;
PointD translated;
_drawPoints = new SDL.SDL_Point[_numberOfDrawSegments];
for (int i = 0; i < _numberOfDrawSegments; i++)
{
if (IsClockwiseOrbit)
{
if (index < _numberOfArcSegments - 1)
{
index++;
}
else
{
index = 0;
}
}
else if (index > 0)
{
index--;
}
else
{
index = _numberOfArcSegments - 1;
}
translated = matrix.TransformD(_points[index].X, _points[index].Y); //add zoom transformation.
int x = (int)(ViewScreenPos.x + translated.X);
int y = (int)(ViewScreenPos.y + translated.Y);
_drawPoints[i] = new SDL.SDL_Point()
{
x = x, y = y
};
}
}
public virtual void OnFrameUpdate(Matrix matrix, Camera camera)
{
var camerapoint = camera.CameraViewCoordinate();
ViewScreenPos = matrix.Transform(WorldPosition.X, WorldPosition.Y);
//matrix.Translate(WorldPosition.X + camerapoint.x, WorldPosition.Y + camerapoint.y);
//todo: proper matrix transformations might clean this code up a bit. I'm failing to get it working properly though.
//Matrix matrix2 = new Matrix();
//matrix2.Translate(WorldPosition.X, WorldPosition.Y);
//matrix2.Scale(camera.ZoomLevel);
//matrix2.Translate(camerapoint.x, camerapoint.y);
float zoomLevel = 1;
if (ShapesScaleWithZoom)
{
zoomLevel = camera.ZoomLevel;
}
DrawShapes = new Shape[this.Shapes.Count];
for (int i = 0; i < Shapes.Count; i++)
{
var shape = Shapes[i];
PointD[] drawPoints = new PointD[shape.Points.Length];//matrix.Transform(shape.Points);
for (int i2 = 0; i2 < shape.Points.Length; i2++)
{
int x = (int)(ViewScreenPos.x + (shape.Points[i2].X + camerapoint.x) * zoomLevel);
int y = (int)(ViewScreenPos.y + (shape.Points[i2].Y + camerapoint.y) * zoomLevel);
//SDL.SDL_Point pnt = matrix2.Transform(shape.Points[i2].x, shape.Points[i2].y);
//int x1 = (int)(pnt.x * zoomLevel);
//int y1 = (int)(pnt.y * zoomLevel);
drawPoints[i2] = new PointD()
{
X = x, Y = y
};
}
DrawShapes[i] = (new Shape()
{
Points = drawPoints, Color = shape.Color
});
}
}
public override void Draw(IntPtr rendererPtr, Camera camera)
{
var camerapoint = camera.CameraViewCoordinate();
int x = (int)(X + camerapoint.x + ViewOffset.x);
int y = (int)(Y + camerapoint.y + ViewOffset.y);
ImVec2 pos = new ImVec2(x, y);
ImGui.PushStyleColor(ImGuiCol.WindowBg, new ImVec4(0, 0, 0, 0)); //make the background transperent.
ImGui.SetNextWindowPos(pos, ImGuiCond.Always);
ImGui.Begin(NameString, ref IsActive, _flags);
ImGui.PushStyleColor(ImGuiCol.Button, new ImVec4(0, 0, 0, 0));
if (ImGui.Button(NameString)) //If the name gets clicked, we tell the state.
{
_state.EntityClicked(_entityGuid, MouseButtons.Primary);
}
var size = ImGui.GetLastItemRectSize();
Height = size.y;
Width = size.x;
ViewDisplayRect.Width = size.x;
ViewDisplayRect.Height = size.y;
ImGui.PopStyleColor();
if (ImGui.BeginPopupContextItem("NameContextMenu", 1))
{
_state.EntityClicked(_entityGuid, MouseButtons.Alt);
_state.ContextMenu = new EntityContextMenu(_state, _entityGuid);
_state.ContextMenu.Display();
ImGui.EndPopup();
}
ImGui.End();
ImGui.PopStyleColor(); //have to pop the color change after pushing it.
}
public override void OnFrameUpdate(Matrix matrix, Camera camera)
{
ViewScreenPos = matrix.Transform(WorldPosition.X, WorldPosition.Y);//sets the zoom position.
//get matrix transformations for zoom
//Matrix matrix2 = new Matrix();
//matrix2.Scale(camera.ZoomLevel);
int index = _index;
var camerapoint = camera.CameraViewCoordinate();
var vsp = new SDL.SDL_Point()
{
x = ViewScreenPos.x + camerapoint.x,
y = ViewScreenPos.y + camerapoint.y
};
ViewScreenPos = vsp;
_drawPoints = new SDL.SDL_Point[_numberOfDrawSegments];
//first index in the drawPoints is the position of the body
var translated = matrix.TransformD(_bodyRalitivePos.X, _bodyRalitivePos.Y);
_drawPoints[0] = new SDL.SDL_Point()
{
x = (int)(ViewScreenPos.x + translated.X), y = (int)(ViewScreenPos.y + translated.Y)
};
for (int i = 1; i < _numberOfDrawSegments; i++)
{
if (IsClockwiseOrbit)
{
if (index < _numberOfArcSegments - 1)
{
index++;
}
else
{
index = 0;
}
}
else if (index > 0)
{
index--;
}
else
{
index = _numberOfArcSegments - 1;
}
translated = matrix.TransformD(_points[index].X, _points[index].Y); //add zoom transformation.
//translate everything to viewscreen & camera positions
//int x = (int)(ViewScreenPos.x + translated.X + camerapoint.x);
//int y = (int)(ViewScreenPos.y + translated.Y + camerapoint.y);
int x = (int)(ViewScreenPos.x + translated.X);
int y = (int)(ViewScreenPos.y + translated.Y);
_drawPoints[i] = new SDL.SDL_Point()
{
x = x, y = y
};
}
}
