amacocian/MonoGame.Extended
1
0
Fork 0
mirror of https://github.com/AlexMacocian/MonoGame.Extended.git synced 2026-07-25 08:22:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

much better paralax

Browse Source
This commit is contained in:
Dylan Wilson
2015-07-10 21:23:45 +10:00
parent 87748e1f6c
commit 9da3fdb114
2 changed files with 18 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MonoGame.Extended/Game1/Game1.cs
+6 -10
View File
@@ -9,7 +9,6 @@ namespace Game1
{
private GraphicsDeviceManager _graphicsDeviceManager;
private SpriteBatch _spriteBatch;
private TextureRegion2D _textureRegion;
private Camera2D _camera;
private Texture2D[] _backgroundTexture;
private Texture2D _backgroundTextureClouds;
@@ -24,10 +23,7 @@ namespace Game1
protected override void Initialize()
{
_camera = new Camera2D(GraphicsDevice.Viewport)
{
Zoom = 0.5f
};
_camera = new Camera2D(GraphicsDevice.Viewport);
base.Initialize();
}
@@ -42,8 +38,8 @@ namespace Game1
_backgroundTextureClouds = Content.Load<Texture2D>("Hills_Couds");
_backgroundTextureSky = Content.Load<Texture2D>("Hills_Sky");
var texture = Content.Load<Texture2D>("shadedDark42");
_textureRegion = new TextureRegion2D(texture, 5, 5, 32, 32);
//var texture = Content.Load<Texture2D>("shadedDark42");
//new TextureRegion2D(texture, 5, 5, 32, 32);
}
protected override void UnloadContent()
@@ -87,15 +83,15 @@ namespace Game1
{
GraphicsDevice.Clear(Color.CornflowerBlue);
_spriteBatch.Begin(transformMatrix: _camera.CalculateTransformMatrix());
_spriteBatch.Begin(transformMatrix: _camera.GetViewMatrix());
_spriteBatch.Draw(_backgroundTextureSky, Vector2.Zero);
_spriteBatch.Draw(_backgroundTextureClouds, Vector2.Zero);
_spriteBatch.End();
for(var i = 0; i < 4; i++)
{
var parallaxFactor = new Vector2(1.0f + 0.2f * i, 1.0f);
var transformMatrix = _camera.CalculateTransformMatrix(parallaxFactor);
var parallaxFactor = new Vector2(1.0f + 0.2f * i, 1.0f - 0.05f * i);
var transformMatrix = _camera.GetViewMatrix(parallaxFactor);
_spriteBatch.Begin(transformMatrix: transformMatrix);
_spriteBatch.Draw(_backgroundTexture[i], Vector2.Zero);
_spriteBatch.End();
MonoGame.Extended/MonoGame.Extended/Camera2D.cs
+12 -14
View File
@@ -12,10 +12,10 @@ namespace MonoGame.Extended
public Camera2D(int viewportWidth, int viewportHeight)
{
Position = Vector2.Zero;
Rotation = 0;
Zoom = 1;
Origin = new Vector2(viewportWidth / 2f, viewportHeight / 2f);
Position = Origin;
}
public Vector2 Position { get; set; }
@@ -25,7 +25,7 @@ namespace MonoGame.Extended
public Vector2 ToWorldSpace(Vector2 position)
{
return Vector2.Transform(position, Matrix.Invert(CalculateTransformMatrix()));
return Vector2.Transform(position, Matrix.Invert(GetViewMatrix()));
}
public Vector2 ToWorldSpace(float x, float y)
@@ -35,7 +35,7 @@ namespace MonoGame.Extended
public Vector2 ToScreenSpace(Vector2 position)
{
return Vector2.Transform(position, CalculateTransformMatrix());
return Vector2.Transform(position, GetViewMatrix());
}
public Vector2 ToScreenSpace(float x, float y)
@@ -46,7 +46,7 @@ namespace MonoGame.Extended
//public Rectangle GetVisibileRectangle(int screenWidth, int screenHeight)
//{
// // NOT TESTED - Source: http://gamedev.stackexchange.com/questions/59301/xna-2d-camera-scrolling-why-use-matrix-transform
// var viewMatrix = CalculateTransformMatrix();
// var viewMatrix = GetViewMatrix();
// var inverseViewMatrix = Matrix.Invert(viewMatrix);
// var topLeft = Vector2.Transform(Vector2.Zero, inverseViewMatrix);
// var topRight = Vector2.Transform(new Vector2(screenWidth, 0), inverseViewMatrix);
@@ -62,21 +62,19 @@ namespace MonoGame.Extended
// return new Rectangle((int)min.X, (int)min.Y, (int)(max.X - min.X), (int)(max.Y - min.Y));
//}
public Matrix CalculateTransformMatrix(Vector2 parallaxFactor)
public Matrix GetViewMatrix(Vector2 parallaxFactor)
{
var cx = (int)(Position.X * parallaxFactor.X);
var cy = (int)(Position.Y * parallaxFactor.Y);
return
Matrix.CreateTranslation(new Vector3(-cx, -cy, 0)) *
return
Matrix.CreateTranslation(new Vector3(-Position * parallaxFactor, 0.0f)) *
Matrix.CreateTranslation(new Vector3(-Origin, 0.0f)) *
Matrix.CreateRotationZ(Rotation) *
//Matrix.CreateScale(_viewport.Scale.X, _viewport.Scale.Y, 1.0f) *
Matrix.CreateScale(Zoom) *
Matrix.CreateTranslation(Origin.X, Origin.Y, 0);
Matrix.CreateScale(Zoom, Zoom, 1) *
Matrix.CreateTranslation(new Vector3(Origin, 0.0f));
}
public Matrix CalculateTransformMatrix()
public Matrix GetViewMatrix()
{
return CalculateTransformMatrix(Vector2.One);
return GetViewMatrix(Vector2.One);
}
}
}