SelectionRectangle forms in all directions
This commit is contained in:
Niklas Ulf Anders Cullberg
@@ -1,169 +1,190 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Content;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using Microsoft.Xna.Framework.Media;
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namespace DepthsBelow
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{
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public class MouseInput
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{
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Core core;
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MouseState lastMouseState;
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Rectangle selectionRectangle;
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Texture2D selectionTexture;
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Rectangle gridRectangle;
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Texture2D gridTexture;
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Vector2 directionStart;
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Vector2 directionNow;
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bool checkingDirection = false;
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public MouseInput(Core core)
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{
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this.core = core;
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selectionRectangle = Rectangle.Empty;
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gridRectangle = Rectangle.Empty;
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}
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public void LoadContent()
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{
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selectionTexture = new Texture2D(core.GraphicsDevice, 1, 1);
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selectionTexture.SetData(new Color[] { Color.White });
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gridTexture = new Texture2D(core.GraphicsDevice, 1, 1);
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gridTexture.SetData(new Color[] { Color.White });
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}
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public void Update(GameTime gameTime)
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{
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MouseState ms = Mouse.GetState();
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Vector2 mouseWorldPos = core.Camera.ScreenToWorld(new Vector2(ms.X, ms.Y));
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KeyboardState ks = Keyboard.GetState();
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// Selection rectangle
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if (ms.LeftButton == ButtonState.Pressed)
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{
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if (selectionRectangle == Rectangle.Empty)
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{
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selectionRectangle = new Rectangle((int)mouseWorldPos.X, (int)mouseWorldPos.Y, 0, 0);
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}
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else
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{
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selectionRectangle.Width = (int)mouseWorldPos.X - selectionRectangle.X;
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selectionRectangle.Height = (int)mouseWorldPos.Y - selectionRectangle.Y;
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}
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}
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// When the mouse is released
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if (ms.LeftButton == ButtonState.Released && selectionRectangle != Rectangle.Empty)
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{
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// Deselect all units
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if (!ks.IsKeyDown(Keys.LeftControl))
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{
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foreach (var unit in core.Squad)
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unit.Selected = false;
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}
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// Select all units in the rectangle
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foreach (var unit in core.Squad)
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{
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if (selectionRectangle.Intersects(unit.GetComponent<Component.Collision>().Rectangle))
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unit.Selected = true;
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}
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// Hide the selection rectangle
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selectionRectangle = Rectangle.Empty;
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}
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// Send orders with right click
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if (ms.RightButton == ButtonState.Released && lastMouseState.RightButton == ButtonState.Pressed)
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{
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foreach (var unit in core.Squad)
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if (unit.Selected)
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{
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unit.GetComponent<Component.PathFinder>().Goal = Grid.WorldToGrid(mouseWorldPos);
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}
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}
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if (ms.RightButton == ButtonState.Pressed)
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{
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foreach (var unit in core.Squad)
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{
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if (unit.Selected && gridRectangle.Intersects(unit.GetComponent<Component.Collision>().Rectangle))
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{
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checkingDirection = true;
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directionStart = unit.Transform.World + unit.Transform.World.Origin;
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}
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}
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}
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if (checkingDirection == true && ms.RightButton == ButtonState.Pressed)
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{
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foreach (var unit in core.Squad)
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if (unit.Selected)
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{
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directionNow.X = mouseWorldPos.X;
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directionNow.Y = mouseWorldPos.Y;
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float directionX = mouseWorldPos.X - unit.Transform.World.X;
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float directionY = mouseWorldPos.Y - unit.Transform.World.Y;
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var mouseDirection = mouseWorldPos;
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mouseDirection.Normalize();
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//float angle = (float)Math.Acos(Vector2.Dot(new Vector2(0, 1), mouseDirection)) * MathHelper.TwoPi;
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/*if (directionX < 0)
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{
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directionX *= -1;
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unit.GetComponent<Component.Transform>().World.Rotation = (float)Math.Atan(directionY / directionX);
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}
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else
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{
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*/unit.GetComponent<Component.Transform>().World.Rotation = (float)Math.Atan2(mouseWorldPos.Y - unit.Transform.World.Y, mouseWorldPos.X - unit.Transform.World.X);/*
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}*/
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//Console.WriteLine(angle);
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//unit.GetComponent<Component.Transform>().World.Rotation = angle;
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}
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}
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else
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{
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checkingDirection = false;
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}
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// Grid highlighting
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Point mouseGridPos = Grid.WorldToGrid(mouseWorldPos);
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Vector2 rectWorldPos = Grid.GridToWorld(mouseGridPos);
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gridRectangle = new Rectangle((int)rectWorldPos.X, (int)rectWorldPos.Y, Grid.TileSize, Grid.TileSize);
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lastMouseState = ms;
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}
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public void Draw(SpriteBatch spriteBatch)
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{
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spriteBatch.Draw(selectionTexture, selectionRectangle, Color.Red * 0.5f);
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spriteBatch.Draw(gridTexture, gridRectangle, Color.Yellow * 0.3f);
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if (checkingDirection == true)
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{
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Texture2D blank = new Texture2D(core.GraphicsDevice, 1, 1, false, SurfaceFormat.Color);
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blank.SetData(new[] { Color.White });
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DrawLine(spriteBatch, blank, 2, Color.White, directionStart, directionNow);
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}
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}
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void DrawLine(SpriteBatch batch, Texture2D blank, float width, Color color, Vector2 point1, Vector2 point2)
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{
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float angle = (float)Math.Atan2(point2.Y - point1.Y, point2.X - point1.X);
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float length = Vector2.Distance(point1, point2);
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batch.Draw(blank, point1, null, color,
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angle, Vector2.Zero, new Vector2(length, width),
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SpriteEffects.None, 0);
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}
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}
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}
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Content;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using Microsoft.Xna.Framework.Media;
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namespace DepthsBelow
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{
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public class MouseInput
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{
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Core core;
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MouseState lastMouseState;
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Rectangle selectionRectangle;
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Texture2D selectionTexture;
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Rectangle gridRectangle;
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Texture2D gridTexture;
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Vector2 directionStart;
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Vector2 directionNow;
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bool checkingDirection = false;
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bool readjust = false;
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public MouseInput(Core core)
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{
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this.core = core;
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selectionRectangle = Rectangle.Empty;
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gridRectangle = Rectangle.Empty;
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}
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public void LoadContent()
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{
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selectionTexture = new Texture2D(core.GraphicsDevice, 1, 1);
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selectionTexture.SetData(new Color[] { Color.White });
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gridTexture = new Texture2D(core.GraphicsDevice, 1, 1);
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gridTexture.SetData(new Color[] { Color.White });
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}
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public void Update(GameTime gameTime)
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{
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MouseState ms = Mouse.GetState();
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Vector2 mouseWorldPos = core.Camera.ScreenToWorld(new Vector2(ms.X, ms.Y));
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KeyboardState ks = Keyboard.GetState();
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// Selection rectangle
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if (ms.LeftButton == ButtonState.Pressed)
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{
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if (selectionRectangle == Rectangle.Empty)
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{
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directionStart = mouseWorldPos;
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selectionRectangle = new Rectangle((int)mouseWorldPos.X, (int)mouseWorldPos.Y, 0, 0);
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readjust = false;
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}
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else
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{
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if (mouseWorldPos.X > directionStart.X && mouseWorldPos.Y < directionStart.Y || mouseWorldPos.X < directionStart.X && mouseWorldPos.Y > directionStart.Y)
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{
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int rectangleX = (int)mouseWorldPos.X - ((int)mouseWorldPos.X - (int)directionStart.X);
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int rectangleY = (int)mouseWorldPos.Y;
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int rectangleWidth = (int)mouseWorldPos.X - (int)directionStart.X;
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int rectangleHeight = (int)directionStart.Y - (int)mouseWorldPos.Y;
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selectionRectangle = new Rectangle(rectangleX, rectangleY, rectangleWidth, rectangleHeight);
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readjust = true;
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}
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else
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{
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if (readjust == true)
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{
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selectionRectangle = new Rectangle((int)directionStart.X, (int)directionStart.Y, 0, 0);
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}
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selectionRectangle.Width = (int)mouseWorldPos.X - selectionRectangle.X;
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selectionRectangle.Height = (int)mouseWorldPos.Y - selectionRectangle.Y;
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readjust = false;
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}
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}
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}
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// When the mouse is released
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if (ms.LeftButton == ButtonState.Released && selectionRectangle != Rectangle.Empty)
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{
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// Deselect all units
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if (!ks.IsKeyDown(Keys.LeftControl))
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{
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foreach (var unit in core.Squad)
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unit.Selected = false;
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}
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// Select all units in the rectangle
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foreach (var unit in core.Squad)
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{
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if (selectionRectangle.Intersects(unit.GetComponent<Component.Collision>().Rectangle))
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unit.Selected = true;
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}
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// Hide the selection rectangle
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selectionRectangle = Rectangle.Empty;
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}
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// Send orders with right click
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if (ms.RightButton == ButtonState.Released && lastMouseState.RightButton == ButtonState.Pressed)
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{
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foreach (var unit in core.Squad)
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if (unit.Selected)
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{
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unit.GetComponent<Component.PathFinder>().Goal = Grid.WorldToGrid(mouseWorldPos);
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}
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}
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if (ms.RightButton == ButtonState.Pressed)
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{
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foreach (var unit in core.Squad)
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{
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if (unit.Selected && gridRectangle.Intersects(unit.GetComponent<Component.Collision>().Rectangle))
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{
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checkingDirection = true;
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directionStart = unit.Transform.World + unit.Transform.World.Origin;
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}
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}
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}
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if (checkingDirection == true && ms.RightButton == ButtonState.Pressed)
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{
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foreach (var unit in core.Squad)
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if (unit.Selected)
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{
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directionNow.X = mouseWorldPos.X;
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directionNow.Y = mouseWorldPos.Y;
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float directionX = mouseWorldPos.X - unit.Transform.World.X;
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float directionY = mouseWorldPos.Y - unit.Transform.World.Y;
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var mouseDirection = mouseWorldPos;
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mouseDirection.Normalize();
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//float angle = (float)Math.Acos(Vector2.Dot(new Vector2(0, 1), mouseDirection)) * MathHelper.TwoPi;
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/*if (directionX < 0)
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{
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directionX *= -1;
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unit.GetComponent<Component.Transform>().World.Rotation = (float)Math.Atan(directionY / directionX);
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}
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else
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{
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*/unit.GetComponent<Component.Transform>().World.Rotation = (float)Math.Atan2(mouseWorldPos.Y - unit.Transform.World.Y, mouseWorldPos.X - unit.Transform.World.X);/*
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}*/
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//Console.WriteLine(angle);
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//unit.GetComponent<Component.Transform>().World.Rotation = angle;
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}
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}
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else
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{
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checkingDirection = false;
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}
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// Grid highlighting
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Point mouseGridPos = Grid.WorldToGrid(mouseWorldPos);
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Vector2 rectWorldPos = Grid.GridToWorld(mouseGridPos);
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gridRectangle = new Rectangle((int)rectWorldPos.X, (int)rectWorldPos.Y, Grid.TileSize, Grid.TileSize);
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lastMouseState = ms;
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}
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public void Draw(SpriteBatch spriteBatch)
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{
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spriteBatch.Draw(selectionTexture, selectionRectangle, Color.Red * 0.5f);
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spriteBatch.Draw(gridTexture, gridRectangle, Color.Yellow * 0.3f);
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if (checkingDirection == true)
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{
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Texture2D blank = new Texture2D(core.GraphicsDevice, 1, 1, false, SurfaceFormat.Color);
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blank.SetData(new[] { Color.White });
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DrawLine(spriteBatch, blank, 2, Color.White, directionStart, directionNow);
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}
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}
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void DrawLine(SpriteBatch batch, Texture2D blank, float width, Color color, Vector2 point1, Vector2 point2)
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{
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float angle = (float)Math.Atan2(point2.Y - point1.Y, point2.X - point1.X);
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float length = Vector2.Distance(point1, point2);
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batch.Draw(blank, point1, null, color,
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angle, Vector2.Zero, new Vector2(length, width),
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SpriteEffects.None, 0);
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}
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}
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}
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