A branch of mathematics that studies triangles and the relationships between their sides and the angles between these sides.

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3D Camera Y-Axis wrong angle

I am trying to build a camera class, though I am running into a problem. When I move the camera above/below, and try to move towards the ground, I am moved off in what seems to be about 45 degrees in ...
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275 views

What is the connection between an isometric angle and scale

I am trying to work out an isometric projection matrix for a custom angle. In the engine I'm using there's a projection matrix defined like so: projection.rotate(45 * (Math.PI / 180) ); scale = 1....
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Slide along Surface

I'm very bad at Math and trigonometric functions (And I dunno if this questions fits here) I have a surface normal as a direction vector.I want my character slide along the surface, if the angle of ...
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20 views

Trigonometric movement cause problem when holding player inside bounds

In my game I have a Player class. Here is what it looks like. public void Update(GameTime gameTime) { // Controls kb = Keyboard.GetState(); if (kb.IsKeyDown(Keys.W)) ...
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55 views

Need help solving an acute-triangle to find the distance to the outside of my object

I recently asked a question here: How would I check the range against the entirety of an enemy object, and not just it's transform.position? That was accurately answered, and works perfectly fine....
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268 views

How do I find the camera direction vector for 3D sound purposes? (C++, DirectX)

Question I'm trying to make a sound class for playing 3D sound effects with DirectSound and DirectX, without using DirectSound's 3D libraries. The plan is to have every game object constantly play ...
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60 views

How to find optimal perpendicular axis of rotation vector to draw arrows?

I am drawing lines on the screen. Each line has a point (x,y,z) and a direction (u,v,w). I want to draw arrow heads on these lines, like two lines that start from (x,y,z) and leave at a 15 degree ...