https://github.com/zacharycarter/zengine

2D | 3D Game development library
https://github.com/zacharycarter/zengine

2d 3d game-development game-engine nim

Last synced: 8 months ago
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2D | 3D Game development library

• Host: GitHub
• URL: https://github.com/zacharycarter/zengine
• Owner: zacharycarter
• Archived: true
• Created: 2017-07-08T15:06:59.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2017-10-03T21:29:50.000Z (about 8 years ago)
• Last Synced: 2024-08-04T01:15:21.552Z (over 1 year ago)
• Topics: 2d, 3d, game-development, game-engine, nim
• Language: Nim
• Homepage:
• Size: 58.5 MB
• Stars: 156
• Watchers: 9
• Forks: 13
• Open Issues: 21
• Metadata Files:
  • Readme: README.md

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README

          
# zengine

2D | 3D Game development library

NOTE - Please run examples from root directory for now

Progress - 

![3D Skeletal Animation](https://media.giphy.com/media/l1J3tQly5PfRKtMUo/giphy.gif)

![Lit Model](http://i.imgur.com/YIQutvx.png)

![Model Loading](http://i.imgur.com/fKbrXPi.png)

![FPS Camera](https://media.giphy.com/media/xUA7aSrJzGLbB0x5hS/giphy.gif)

![2D & 3D Primitive Rendering](http://i.imgur.com/m5gWahM.png)

Dependencies:

[Assimp](https://github.com/assimp/assimp)

```nim

import zengine, sdl2, opengl

type

  LightKind = enum

    Point, Directional, Spot

  

  Light = ref object

    id: int

    enabled: bool

    kind: LightKind

    position: Vector3

    target: Vector3

    radius: float

    diffuse: ZColor

    intensity: float

    coneAngle: float

const 

  WIDTH = 960

  HEIGHT = 540

  MAX_LIGHTS = 8

var lights: array[MAX_LIGHTS, Light]

var lightsCount = 0

var lightsLocs: array[MAX_LIGHTS, array[8, int]]

proc createLight(kind: LightKind, position: Vector3, diffuse: ZColor): Light =

  result = nil

  if lightsCount < MAX_LIGHTS:

    result = Light(

      id: lightsCount,

      kind: kind,

      enabled: true,

      position: position,

      target: vectorZero(),

      intensity: 1.0,

      diffuse: diffuse

    )

    lights[lightsCount] = result

    inc(lightsCount)

  else:

    result = lights[lightsCount]

proc setShaderLightsValues(shader: Shader) =

  var tempInt: array[8, GLint]

  var tempFloat: array[8, GLfloat]

  for i in 0..