semicolin/sneak
semicolin/sneak
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Code Issues 7 Releases Wiki Activity

Colin McMillen 2020-02-15 20:57:10 +00:00
parent ede3d4a99c
commit 1ff5034713
1 changed files with 17 additions and 9 deletions
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Code-Snippets.md

@ -1,5 +1,5 @@
```csharp ```csharp
public static class Geometry { public static class Geometry {
public static bool PointInCone( public static bool PointInCone(
float visionRangeSq, float fovCos, Vector2 eyePos, Vector2 direction, Vector2 test) { float visionRangeSq, float fovCos, Vector2 eyePos, Vector2 direction, Vector2 test) {
Vector2 delta = Vector2.Subtract(test, eyePos); Vector2 delta = Vector2.Subtract(test, eyePos);
@ -9,5 +9,13 @@
float dot = Vector2.Dot(Vector2.Normalize(direction), Vector2.Normalize(delta)); float dot = Vector2.Dot(Vector2.Normalize(direction), Vector2.Normalize(delta));
return dot > fovCos; return dot > fovCos;
} }
} }
```
```csharp
// Make a 1x1 white texture:
Texture2D whiteTexture = new Texture2D(GraphicsDevice, 1, 1);
whiteTexture.SetData(new Color[] { Color.White });
// When done with it:
whiteTexture.Dispose();
``` ```