60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
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package main
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import (
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"log"
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"time"
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"github.com/mediocregopher/ginger/gim/geo"
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"github.com/mediocregopher/ginger/gim/terminal"
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)
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func main() {
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b := terminal.NewBuffer()
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b.WriteString("this is fun")
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b.SetFGColor(terminal.Blue)
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b.SetBGColor(terminal.Green)
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b.SetPos(geo.XY{18, 0})
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b.WriteString("blue and green")
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b.ResetStyle()
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b.SetFGColor(terminal.Red)
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b.SetPos(geo.XY{3, 3})
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b.WriteString("red!!!")
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b.ResetStyle()
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b.SetFGColor(terminal.Blue)
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b.SetPos(geo.XY{20, 0})
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b.WriteString("boo")
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bcp := b.Copy()
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b.DrawBuffer(geo.XY{2, 2}, bcp)
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b.DrawBuffer(geo.XY{-1, 1}, bcp)
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brect := terminal.NewBuffer()
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brect.DrawRect(geo.Rect{Size: b.Size().Add(geo.XY{2, 2})}, terminal.SingleLine)
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log.Printf("b.Size:%v", b.Size())
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brect.DrawBuffer(geo.XY{1, 1}, b)
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t := terminal.New()
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p := geo.XY{0, 0}
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dirH, dirV := geo.Right, geo.Down
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wsize := t.WindowSize()
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for range time.Tick(time.Second / 15) {
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t.Clear()
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t.WriteBuffer(p, brect)
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t.Draw()
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brectSize := brect.Size()
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p = p.Add(dirH).Add(dirV)
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if p[0] < 0 || p[0]+brectSize[0] > wsize[0] {
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dirH = dirH.Scale(-1)
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p = p.Add(dirH.Scale(2))
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}
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if p[1] < 0 || p[1]+brectSize[1] > wsize[1] {
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dirV = dirV.Scale(-1)
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p = p.Add(dirV.Scale(2))
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}
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}
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}
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