local AR = {}

local terminal = {x = 8257, y = 199, z = -2731}

function AR.cube(glasses, x, y, z, color, alpha, scale)
    scale = scale or 1
    alpha = alpha or 1
    local cube = glasses.addCube3D()
    cube.set3DPos(x - terminal.x, y - terminal.y, z - terminal.z)
    cube.setColor(color)
    cube.setAlpha(alpha)
    cube.setScale(scale)
    return cube
end

function AR.line(glasses, source, dest, color, alpha, scale)
    scale = scale or 1
    alpha = alpha or 1
    local line = glasses.addLine3D()
    line.setVertex(1, source.x - terminal.x + 0.5, source.y - terminal.y + 0.5, source.z - terminal.z + 0.5)
    line.setVertex(2, dest.x - terminal.x + 0.5, dest.y - terminal.y + 0.5, dest.z - terminal.z + 0.5)
    line.setColor(color)
    line.setAlpha(alpha)
    line.setScale(scale)
    return line
end

function AR.worldText(glasses, name, x, y, z, color, alpha, scale)
    scale = scale or 0.04
    alpha = alpha or 1
    local text = glasses.addFloatingText()
    text.set3DPos(x - terminal.x, y - terminal.y, z - terminal.z)
    text.setColor(color)
    text.setAlpha(alpha)
    text.setScale(scale)
    text.setText(name)
    return text
end

function AR.hudTriangle(glasses, a, b, c, color, alpha)
    alpha = alpha or 1.0
    local triangle = glasses.addTriangle()
    triangle.setColor(color)
    triangle.setAlpha(alpha)
    triangle.setVertex(1, a[1], a[2])
    triangle.setVertex(2, b[1], b[2])
    triangle.setVertex(3, c[1], c[2])
    return triangle
end

function AR.hudQuad(glasses, a, b, c, d, color, alpha)
    alpha = alpha or 1.0
    local quad = glasses.addQuad()
    quad.setColor(color)
    quad.setAlpha(alpha)
    quad.setVertex(1, a[1], a[2])
    quad.setVertex(2, b[1], b[2])
    quad.setVertex(3, c[1], c[2])
    quad.setVertex(4, d[1], d[2])
    return quad
end

function AR.hudRectangle(glasses, x, y, w, h, color, alpha)
    alpha = alpha or 1.0
    local rect = glasses.addRect()
    rect.setPosition(x, y)
    rect.setSize(h, w)
    rect.setColor(color)
    rect.setAlpha(alpha)
    return rect
end

function AR.textSize(textObject, scale)
    local oldX, oldY = textObject.getPosition()
    oldX = oldX * textObject.getScale()
    oldY = oldY * textObject.getScale()
    textObject.setScale(scale)
    textObject.setPosition(oldX / (scale + 1), oldY / (scale + 1))
end

function AR.hudText(glasses, displayText, x, y, color, scale)
    scale = scale or 1
    local text = glasses.addTextLabel()
    text.setText(displayText)
    text.setPosition(x, y)
    text.setColor(color)
    AR.textSize(text, scale)
    return text
end

return AR