| public static Transform ( Vector2 position, Matrix matrix ) : Vector2 | ||
| position | Vector2 | The source vector. |
| matrix | Matrix | The transformation matrix. |
| Результат | Vector2 | |
public void Zoom(float zoomFactor, Vector2 mousePos)
{
// Track where we are before scale
Vector2 mousePositionBeforeScale = Vector2.Transform(mousePos, Matrix.Invert(camera.Matrix));
camera.Scale += (gameConfiguration.ScaleFactor * zoomFactor) / (camera.Scale < 1 ? 1 / camera.Scale : camera.Scale);
// Track where we are after scale
Vector2 mousePositionAfterScale = Vector2.Transform(mousePos, Matrix.Invert(camera.Matrix));
// Adjust screen position with respect to scale to achieve zoom to Mouse cursor functionality
camera.Move(mousePositionAfterScale - mousePositionBeforeScale);
}
private static void CreateSpreadshots(
Entity owner,
Comps.Autonomous autonomousComp,
Entity centerProjectile,
Registry registry
)
{
var centerVelocityComp = registry
.GetComponentUnsafe <Comps.Velocity>(centerProjectile);
PhysicalVector2 centerVelocity = centerVelocityComp.data;
List <PhysicalVector2> velocities = new List <PhysicalVector2> {
PhysicalVector2.Transform(
centerVelocity,
Matrix.CreateRotationZ((float)Math.PI / 6)
),
PhysicalVector2.Transform(
centerVelocity,
Matrix.CreateRotationZ(-(float)Math.PI / 6)
)
};
foreach (PhysicalVector2 velocity in velocities)
{
var projectile = Factories.Projectile.Create(
autonomousComp.attackType,
owner,
registry
);
var velocityComp = registry
.GetComponentUnsafe <Comps.Velocity>(projectile);
velocityComp.data = velocity;
// TODO: Make this less hacky.
//
// To prevent the spreadshots from immediately colliding with
// each other, give them some position offset
var positionComp = registry
.GetComponentUnsafe <Comps.Position>(projectile);
PhysicalVector2 offset = velocity * 16.0f;
positionComp.data += offset;
}
}
public void OnMouseClick(Vector2 mousePosition)
{
Vector2 mousePos = Vector2.Transform(mousePosition, Matrix.Invert(camera.Matrix));
float distanceSq = float.MaxValue;
Creature closestCreature = null;
foreach (Creature creature in simulation.CreatureManager.Creatures)
{
float distance = (creature.Pos.ToXNA() - mousePos).LengthSquared();
if (distance < distanceSq)
{
distanceSq = distance;
closestCreature = creature;
}
}
if (closestCreature != null)
{
simulation.CreatureManager.SelectedCreature = closestCreature;
}
}
public void drawGridSystem(MapInfoObject mapInfo, Camera2d camera, GraphicsDeviceManager graphics)
{
barriersList.Clear();
spriteBatch.Begin(SpriteSortMode.FrontToBack, BlendState.AlphaBlend);
for (int i = 0; i < mapInfo.gridSizeX; ++i)
{
for (int j = 0; j < mapInfo.gridSizeY; ++j)
{
Vector2 transformedV = Vector2.Transform(new Vector2(j * mapInfo.tileSize, i * mapInfo.tileSize), Matrix.Invert(camera.get_transformation(graphics.GraphicsDevice)));
var tile = new Rectangle((int)transformedV.X, (int)transformedV.Y, mapInfo.tileSize, mapInfo.tileSize);
TileObject tile2 = new TileObject();
tile2.Rectangle = tile;
tile2.isGreen = false;
barriersList.Add(tile2);
DrawBorder(tile, 2, Color.Red);
var positionsLabel = "(" + tile2.Rectangle.X + ":" + tile2.Rectangle.Y + ")";
spriteBatch.DrawString(verdana36, positionsLabel, new Vector2(tile2.Rectangle.X, tile2.Rectangle.Y), Color.White);
}
}
spriteBatch.End();
}
//http://clintbellanger.net/articles/isometric_math/
//spriteBatch.Draw(texture, new Rectangle(400, 50, 100, 100), null, Color.Red, 0, Vector2.Zero, SpriteEffects.None, 0);
public void drawIsometricGridSystem(MapInfoObject mapInfo, Camera2d camera, GraphicsDeviceManager graphics)
{
barriersList.Clear();
spriteBatch.Begin(SpriteSortMode.FrontToBack, BlendState.AlphaBlend);
for (int i = 0; i < mapInfo.gridSizeX; ++i)
{
for (int j = 0; j < mapInfo.gridSizeY; ++j)
{
// tempPt.x = pt.x - pt.y;
//tempPt.y = (pt.x + pt.y) / 2;
//var x=j*mapInfo.tileSize/2;
//var y=i*mapInfo.tileSize/2;
var x = j * mapInfo.tileSize;
var y = i * mapInfo.tileSize;
//var isotileX = x - y;
//var isotileY = (x+y) / 2;
//var isotileX = (x - y) * mapInfo.tileSize / 2;
//var isotileY = (x + y) * mapInfo.tileSize / 2;
Vector2 isoPt = TwoDToIso(new Vector2(x, y));
Vector2 transformedV = Vector2.Transform(new Vector2(isoPt.X, isoPt.Y), Matrix.Invert(camera.get_transformation(graphics.GraphicsDevice)));
var tile = new Rectangle((int)transformedV.X, (int)transformedV.Y, mapInfo.tileSize, mapInfo.tileSize);
TileObject tile2 = new TileObject();
tile2.Rectangle = tile;
tile2.isGreen = false;
barriersList.Add(tile2);
DrawBorder(tile, 2, Color.Red);
var positionsLabel = "(" + tile2.Rectangle.X + ":" + tile2.Rectangle.Y + ")";
spriteBatch.DrawString(verdana36, positionsLabel, new Vector2(tile2.Rectangle.X, tile2.Rectangle.Y), Color.White, 0, Vector2.Zero, new Vector2(1, 1), SpriteEffects.None, 0);
}
}
spriteBatch.End();
}
public void updateGridSystem(Texture2D selectedTexture, Camera2d camera)
{
//spriteBatch.Begin();
foreach (TileObject rect in barriersList)
{
if (rect.isGreen)
{
if (rect.texture != null)
{
if (gridMapType == GridMapType.Default)
{
spriteBatch.Draw(rect.texture, rect.Rectangle, Color.White);
}
if (gridMapType == GridMapType.Isometric)
{
if (rect.isRotated)
{
Vector2 origin = new Vector2(rect.texture.Width / 2, rect.texture.Height / 2);
Rectangle rectangle = new Rectangle();
rectangle = rect.Rectangle;
rectangle.X += rect.Rectangle.Width / 2;
rectangle.Y += rect.Rectangle.Height / 2;
spriteBatch.Draw(rect.texture, rectangle, null, Color.White, rect.rotationAngle, origin, SpriteEffects.None, rect.layerDepth);
}
else
{
spriteBatch.Draw(rect.texture, rect.Rectangle, null, Color.White, 0, Vector2.Zero, SpriteEffects.None, rect.layerDepth);
}
}
}
else
{
Texture2D texture = new Texture2D(GraphicsDevice, 1, 1, false, SurfaceFormat.Color);
texture.SetData <Color>(new Color[] { Color.White });
if (gridMapType == GridMapType.Default)
{
spriteBatch.Draw(texture, rect.Rectangle, Color.Green);
}
if (gridMapType == GridMapType.Isometric)
{
spriteBatch.Draw(texture, rect.Rectangle, null, Color.Green, 0, Vector2.Zero, SpriteEffects.None, rect.layerDepth);
}
Vector2 worldPos = Vector2.Transform(new Vector2(rect.Rectangle.X, rect.Rectangle.Y), Matrix.Invert(camera._transform));
var positionsLabel = "(" + rect.Rectangle.X + ":" + rect.Rectangle.Y + ")\n(" + worldPos.X + ":" + worldPos.Y + ")";
if (gridMapType == GridMapType.Default)
{
spriteBatch.DrawString(verdana36, positionsLabel, new Vector2(rect.Rectangle.X, rect.Rectangle.Y), Color.White);
}
if (gridMapType == GridMapType.Isometric)
{
spriteBatch.DrawString(verdana36, positionsLabel, new Vector2(rect.Rectangle.X, rect.Rectangle.Y), Color.White, 0, Vector2.Zero, new Vector2(1, 1), SpriteEffects.None, 0);
}
}
}
else
{
DrawBorder(rect.Rectangle, 2, Color.Red);
Vector2 worldPos = Vector2.Transform(new Vector2(rect.Rectangle.X, rect.Rectangle.Y), Matrix.Invert(camera._transform));
var positionsLabel = "(" + rect.Rectangle.X + ":" + rect.Rectangle.Y + ")\n(" + worldPos.X + ":" + worldPos.Y + ")";
if (gridMapType == GridMapType.Default)
{
spriteBatch.DrawString(verdana36, positionsLabel, new Vector2(rect.Rectangle.X, rect.Rectangle.Y), Color.White);
}
if (gridMapType == GridMapType.Isometric)
{
spriteBatch.DrawString(verdana36, positionsLabel, new Vector2(rect.Rectangle.X, rect.Rectangle.Y), Color.White, 0, Vector2.Zero, Vector2.Zero, SpriteEffects.None, 0);
}
}
}
// spriteBatch.End();
}
public static V2 sovev_vector(F zavit)
{
MX cli_sivoov = MX.CreateRotationZ(zavit);
return(V2.Transform(-V2.UnitY, cli_sivoov));
}