1
vote
0answers
27 views

XNA - Wrap heightmap around sphere [duplicate]

I have an idea for a small game which would generate random 3D planets. I already have found a way to create a random heightmap in XNA ...
1
vote
2answers
57 views

Defining lines from a heightmap

To a pixel shader of a 2D game, I'm passing a 1-row heightmap that holds the height in UV coordinates of evenly distributed points throughout the texture I'm drawing, but as for n points there will ...
-1
votes
1answer
178 views

Creating physics in xna

I am creating a racing game using visual studio 2010 and xna 4.0. I'm trying to create some simple physics so my car sticks to the heightmap I have created within my game world and the model adjusts ...
1
vote
2answers
398 views

How to get the height at a position in a triangle

I have a heightmap, and I store the heights in a giant array. However, when I move, it's quite choppy on the Y-axis, so I need a way to get the height at a certain point in a triangle. I currently ...
0
votes
0answers
602 views

Generating and rendering large 2D topographical map with contours

I am looking for an engine / library / technic to implement a large scale 2D topographical map that will be used in an RTS game. The closest I've been able to find is: ...
0
votes
1answer
489 views

Does anybody know of any resources to achieve this particular “2.5D” isometric engine effect?

I understand this is a little vague, but I was hoping somebody might be able to describe a high-level workflow or link to a resource to be able to achieve a specific isometric "2.5D" tile engine ...
1
vote
1answer
525 views

3D Collision help

I'm having difficulties with my project. I'm quite new in XNA. Anyway, I'm trying to make 3D game and I'm already stuck on one basic thing. I have terrain made from a heightmap, and an avatar model. I ...
2
votes
2answers
900 views

Calculating vertex normals on the GPU

I have some height-map sampled on a regular grid stored in an array. Now, I want to use the normals on the sampled vertices for some smoothing algorithm. The way I'm currently doing it is as follows: ...
3
votes
1answer
839 views

Drawing a depth map properly

I want to render a depth map by importing it from a file, then creating an array of vertices and indices, and then displaying it using a basic shader (just apply the view and projection matrices on it ...
5
votes
4answers
780 views

How would I go about implementing a globe-like “ballish” map?

I am new to 3D development and I have this idea of having the game world like our globe is - a ball. So, there would be no corners in the map and the game is top-down RTS game. I would like the camera ...
2
votes
2answers
889 views

XNA Seeing through heightmap problem

I've recently started learning how to program in 3D with XNA and I've been trying to implement a Terrain3D class(a very simple height map). I've managed to draw a simple terrain, but I'm getting a ...