luaTest.lua

UnityEngine = luanet.UnityEngine
System      = luanet.System

gameObject      = UnityEngine.GameObject
vector3         = UnityEngine.Vector3
quaternion      = UnityEngine.Quaternion
color           = UnityEngine.Color
time            = UnityEngine.Time
primitiveType   = UnityEngine.PrimitiveType;

abs     = System.Math.Abs
sin     = System.Math.Sin
sqrt    = System.Math.Sqrt

if cube == nil then
    cube = gameObject.CreatePrimitive( primitiveType.Cube )
end

function update( dt )
    t = time.realtimeSinceStartup
    y = sin( t )
    a = sin( 1 + 3 * t )
    r = abs( sin( 2 + 1.5 * t ) )
    g = abs( sin( 3 + 1.6 * t ) )
    b = sqrt( 1 - r * r - g * g )

    cube.transform.position = vector3( 0, y, -5 )
    cube.transform.rotation = quaternion.AngleAxis( 60 * t, vector3( a, 1, 0 ) )
    cube.renderer.material.color = color( r, g, b )
end