crown-engine/game/lua/init.lua

local ffi = require("ffi")

local lib_path = os.getenv("LD_LIBRARY_PATH")

lib = ffi.load(lib_path .. "/libcrown.so", true)

require("vec3")
require("mat4")
require("quat")
require("math_utils")
require("camera")

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print("-- testing Vec3 --\n")
local pos = Vec3.vec3(1.0, 1.0, 1.0)



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print("-- Testing Mat4 --\n")
local m = Mat4.mat4(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0)
local t = Mat4.mat4(9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0)

Mat4.print(m)
print("\n")

print("-- Mat4.add --\n")

m = Mat4.add(m, t)
Mat4.print(m)
print("\n")

print("-- Mat4.subtract --\n")

m = Mat4.subtract(m, t)
Mat4.print(m)
print("\n")

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local s = Math.sin(0.0)


print("sin of 0 is " .. s)

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local cam = Camera.camera(pos, 90.0, 1.6)

print(Camera.position(cam).x)
print(Camera.fov(cam))