Top new questions this week:

Why is shadow mapping the standard?

Though I am a programmer by trade, I have barely touched game development at all. I've had this question for some time, and now that I'm looking into game development I thought it would be a good time ...

graphics-programming shadows 3d-engines shadow-mapping

asked by gnoblin 27 votes answered by Jibb Smart 31 votes

What happens if I make more than $100k with the free Unity license?

If an indie game developer makes more than $100,000 using the free version of Unity, what happens to the money that goes over $100k? How will Unity people come to know how much money they are making? ...

unity licensing

asked by USERX2DX 14 votes answered by Philipp 29 votes

How do I interpolate around a rectangle?

I want to make a fancy animation where a point travels around a rectangle. I want to find the point's position at a time t. The rectangle is given by X, Y, Width and Height. Is there an algorithm ...

animation geometry interpolation rectangle

asked by Raildex 5 votes answered by Anko 7 votes

How do I go from world coordinates (X/Y) to tile coordinates?

So, I've got this game rendered in fake isometric view with the following code for generating the mesh: _x = x + ( y & 1 > 0 ? 0 : 0.5 ); _y = y * 0.25; ADD_VERTICES( [ _x-0.5, _y, ...

mathematics

asked by Kevin van der Velden 5 votes answered by Iman 4 votes

Could someone help me understand this game loop logic?

I'm learning Java game development and trying to dissect this game loop: // Game loop final int TICKS_PER_SECOND = 60; final int SKIP_TICKS = 1000 / TICKS_PER_SECOND; final int ...

java game-loop

asked by Ollie 4 votes answered by JackFrost 1 vote

Dual paraboloid shadows on GLSL

I'm trying to port an XNA example to OpenTK + OpenGL, I found it here http://graphicsrunner.blogspot.com.es/2008/07/dual-paraboloid-shadow-maps.html But I'm having a really hard time, I think my maps ...

opengl glsl shadows opentk

asked by Gusman 4 votes answered by Gusman 3 votes

Create a normal map using a script? Unity

I don't have a software that can create normal maps from an image so I usually make a grayscale image and then let unity make the normal map from that image. But I can't save the image to use for ...

unity normal-mapping

asked by VinnieH01 3 votes answered by Hash Buoy 3 votes

Greatest hits from previous weeks:

most efficient AABB vs Ray collision algorithms

Is there a known 'most efficient' algorithm for AABB vs Ray collision detection? I recently stumbled accross Arvo's AABB vs Sphere collision algorithm, and I am wondering if there is a similarly ...

collision-detection

asked by SirYakalot 33 votes answered by Arcane Engineer 14 votes

Making a night scene without being dark on the monitor

What would be a good way to make a 3D scene look "like" a dark night, without being so dark on the monitor that it's hard to see stuff (especially when playing in a brightly lit room). I've been ...

lighting graphics-design

asked by Dolda2000 46 votes answered by congusbongus 59 votes

Can you answer these?

Should I bake all textures to a texture atlas in a game level?

I'm writing my own game engine using Java/OpenGL. I'm creating levels in Blender 3D and exporting them in a custom file format. I'm not going to be auto-generating any terrain - everything is going ...

textures level-design texture-atlas

asked by kitfox 1 vote

convert 2d pt into non-affine coordinate system

Say I have a coordinate system that goes from (0,0) to (1,1). We'll call this screen_space. Within this coordinate system, I have 4 points that I would like to define another coordinate system. One ...

2d 3d graphics linear-algebra

asked by Phildo 1 vote

Communicating with Collision System in ECS

I have read tons of articles and forums threads about ECS but still can't understand how anything in engine should communicate with Collision System. Let's say I have Input System that handle keyboard ...

entity-system component-based entity-component

asked by SET 1 vote