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Zooming stuff. Barely.

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This commit is contained in:
Simon Holmberg
2012-09-28 00:47:24 +02:00
parent 11aef39e29
commit 95677c8ff2
1 changed files with 30 additions and 5 deletions
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DepthsBelow/DepthsBelow/Camera.cs
+30 -5
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@@ -18,6 +18,8 @@ namespace DepthsBelow
private Core core; private Core core;
private MouseState lastMouseState;
public Camera(Core core) public Camera(Core core)
{ {
this.core = core; this.core = core;
@@ -54,11 +56,34 @@ namespace DepthsBelow
if (ms.Y > core.GraphicsDevice.Viewport.Height - 20) if (ms.Y > core.GraphicsDevice.Viewport.Height - 20)
Position.Y += Speed * elapsed; Position.Y += Speed * elapsed;
Transform = int scrollChange = ms.ScrollWheelValue - lastMouseState.ScrollWheelValue;
Matrix.CreateTranslation(new Vector3(-Position.X, -Position.Y, 0))
* Matrix.CreateRotationZ(Rotation) float preZoom = Zoom;
* Matrix.CreateScale(Zoom)
; if (scrollChange > 0)
Zoom *= 1.15f;
else if (scrollChange < 0)
Zoom /= 1.15f;
Transform = Matrix.Identity
* Matrix.CreateRotationZ(Rotation)
* Matrix.CreateScale(Zoom)
* Matrix.CreateTranslation(new Vector3(-Position.X, -Position.Y, 0));
/*var mouseOffset = core.camera.ScreenToWorld(new Vector2(ms.X, ms.Y));
if (scrollChange != 0)
{
Transform *= Matrix.CreateTranslation(new Vector3(-mouseOffset.X, -mouseOffset.Y, 0))
* Matrix.CreateScale(Zoom)
* Matrix.CreateTranslation(new Vector3(mouseOffset.X, mouseOffset.Y, 0));
}
else
{
Transform *= Matrix.CreateScale(Zoom) * Matrix.CreateTranslation(new Vector3(-Position.X, -Position.Y, 0)); ;
}*/
lastMouseState = ms;
} }
} }
} }