package main

import "surdeus.su/core/gg"
import "surdeus.su/core/gg/ox"
import "surdeus.su/core/gg/mx"

type Grid struct {
	ox.ObjectImpl
	ox.Sprite
	Cage, Width mx.Float
}

func (grid *Grid) OnUpdate(c Context) {
	//d := c.IsPressed(gg.KeyShift)
	for _, down := range c.Events().Keyboard.KeyDowns {
		switch down.Key {
		case gg.Key9:
			grid.Cage /= 10
			grid.Width /= 5
		case gg.Key0:
			grid.Cage *= 10
			grid.Width *= 5
		}
	}
}

func NewGrid() *Grid {
	grid := &Grid{}
	grid.Transform = ox.T()
	grid.SetAround(mx.V2(0))
	grid.Layer = LayerBackground
	grid.Images[0] = gg.NewImage(720, 480)
	grid.Images[0].Fill(gg.RGBA(1, 1, 1, 1))
	grid.Shader = bgShader
	grid.Uniforms = map[string]any{}
	//bg.Floating = true
	grid.Visible = true
	grid.Floating = true
	grid.Cage = 100
	grid.Width = 5
	return grid
}

func (grid *Grid) Draw(c Context) *gg.Drawing {
	scale := camera.GetScale()
	pos := camera.GetPosition()
	grid.Uniforms["Zoom"] = mx.Float(scale.X)
	grid.Uniforms["PosX"] = pos.X
	grid.Uniforms["PosY"] = pos.Y
	grid.Uniforms["Cage"] = grid.Cage
	grid.Uniforms["Width"] = grid.Width
	return grid.Sprite.Draw(c)
}