voigt.tngl.sh
this repo has no description
add touchpad and buttons to gamepad demo
+168
gamepad/eg_6x10.fff
gamepad/eg_6x10.fff
This is a binary file and will not be displayed.
+7
gamepad/firefly.toml
+7
gamepad/firefly.toml
+161
gamepad/main.go
+161
gamepad/main.go
···
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package main
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import (
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ff "github.com/firefly-zero/firefly-go/firefly"
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)
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var (
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font ff.Font
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point *ff.Point
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center ff.Point
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buttonN bool
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buttonE bool
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buttonS bool
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buttonW bool
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)
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const (
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radius = 24
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third = ff.Width / 3
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touchYcenter = third
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touchXcenter = ff.Height/2 - radius/2
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buttonYcenter = third * 2
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buttonXcenter = ff.Height/2 - radius/2
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)
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func init() {
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ff.Boot = boot
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ff.Render = render
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ff.Update = update
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ff.Render = render
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}
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func boot() {
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font = ff.LoadFile("font", nil).Font()
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}
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func update() {
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// Buttons
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buttons := ff.ReadButtons(ff.Combined)
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if buttons.N {
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buttonN = true
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} else {
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buttonN = false
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}
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if buttons.E {
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buttonE = true
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} else {
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buttonE = false
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}
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if buttons.S {
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buttonS = true
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} else {
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buttonS = false
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}
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if buttons.W {
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buttonW = true
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} else {
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buttonW = false
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}
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// Touchpad
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center = ff.Point{X: touchXcenter, Y: touchYcenter}
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input, pressed := ff.ReadPad(ff.Combined)
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if pressed {
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point = &ff.Point{
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X: center.X + input.X/30 - radius/2 + 7,
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Y: center.Y - input.Y/30 - radius/2 + 7,
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}
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} else {
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point = nil
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}
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}
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func circleCenter(p ff.Point) ff.Point {
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return ff.Point{X: p.X + (radius / 2.4), Y: p.Y + (radius / 1.6)}
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}
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func render() {
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ff.ClearScreen(ff.ColorWhite)
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paintButtons()
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paintTouchpad()
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// drawHelpers()
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}
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func paintButtons() {
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// Buttons
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// B
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styleE := ff.Style{FillColor: ff.ColorWhite, StrokeColor: ff.ColorDarkBlue, StrokeWidth: 1}
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if buttonE {
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styleE.FillColor = ff.ColorRed
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}
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bButton := ff.Point{X: buttonYcenter + radius, Y: buttonXcenter}
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ff.DrawCircle(bButton, radius, styleE)
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ff.DrawText(
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"B",
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font, (circleCenter(bButton)), ff.ColorLightGray,
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)
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// A
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styleS := ff.Style{FillColor: ff.ColorWhite, StrokeColor: ff.ColorDarkBlue, StrokeWidth: 1}
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if buttonS {
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styleS.FillColor = ff.ColorGreen
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}
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aButton := ff.Point{X: buttonYcenter, Y: buttonXcenter + radius}
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ff.DrawCircle(aButton, radius, styleS)
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ff.DrawText(
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"A",
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font, (circleCenter(aButton)), ff.ColorLightGray,
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)
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// Y
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styleN := ff.Style{FillColor: ff.ColorWhite, StrokeColor: ff.ColorDarkBlue, StrokeWidth: 1}
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if buttonN {
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styleN.FillColor = ff.ColorYellow
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}
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yButton := ff.Point{X: buttonYcenter, Y: buttonXcenter - radius}
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ff.DrawCircle(yButton, radius, styleN)
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ff.DrawText(
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"Y",
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font, (circleCenter(yButton)), ff.ColorLightGray,
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)
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// X
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styleW := ff.Style{FillColor: ff.ColorWhite, StrokeColor: ff.ColorDarkBlue, StrokeWidth: 1}
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if buttonW {
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styleW.FillColor = ff.ColorBlue
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}
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xButton := ff.Point{X: buttonYcenter - radius, Y: buttonXcenter}
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ff.DrawCircle(xButton, radius, styleW)
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ff.DrawText(
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"X",
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font, (circleCenter(xButton)), ff.ColorLightGray,
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)
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}
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func paintTouchpad() {
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style := ff.Style{FillColor: ff.ColorWhite, StrokeColor: ff.ColorDarkBlue, StrokeWidth: 1}
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ff.DrawCircle(ff.Point{X: touchYcenter - radius*2, Y: touchXcenter - radius}, radius*3, style)
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if point != nil {
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style = ff.Style{FillColor: ff.ColorBlue, StrokeColor: ff.ColorDarkBlue, StrokeWidth: 1}
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ff.DrawCircle(*point, 10, style)
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// ff.DrawLine(ff.Point{X: touchXcenter, Y: touchYcenter}, *point, ff.LineStyle{Color: ff.ColorDarkBlue, Width: 1})
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}
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}
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// Helper Lines
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func drawHelpers() {
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ff.DrawLine(ff.Point{buttonYcenter, 0}, ff.Point{buttonYcenter, ff.Height}, ff.LineStyle{ff.ColorGray, 1})
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ff.DrawLine(ff.Point{touchYcenter, 0}, ff.Point{touchYcenter, ff.Height}, ff.LineStyle{ff.ColorGray, 1})
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ff.DrawLine(ff.Point{0, ff.Height / 2}, ff.Point{ff.Width, ff.Height / 2}, ff.LineStyle{ff.ColorGray, 1})
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ff.DrawLine(ff.Point{touchYcenter - radius/2, 0}, ff.Point{touchYcenter - radius/2, ff.Height}, ff.LineStyle{ff.ColorGray, 1})
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ff.DrawLine(ff.Point{buttonYcenter + radius, 0}, ff.Point{buttonYcenter + radius, ff.Height}, ff.LineStyle{ff.ColorGray, 1})
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}