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examples/windowsize: Add an option to skip clearing the screen

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Updates #1132
This commit is contained in:
Hajime Hoshi 2020-08-15 03:14:32 +09:00
parent 71e65fa1b7
commit d90edf5826
1 changed files with 8 additions and 6 deletions
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14
examples/windowsize/main.go
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@ -21,7 +21,6 @@ import (
"flag"
"fmt"
"image"
"image/color"
_ "image/jpeg"
"log"
"math"
@ -144,6 +143,7 @@ func (g *game) Update(screen *ebiten.Image) error {
g.transparent = ebiten.IsScreenTransparent()
floating := ebiten.IsWindowFloating()
resizable := ebiten.IsWindowResizable()
clearingScreenSkipped := ebiten.IsClearingScreenSkipped()
const d = 16
toUpdateWindowSize := false
@ -230,6 +230,9 @@ func (g *game) Update(screen *ebiten.Image) error {
if inpututil.IsKeyJustPressed(ebiten.KeyR) {
resizable = !resizable
}
if inpututil.IsKeyJustPressed(ebiten.KeyW) {
clearingScreenSkipped = !clearingScreenSkipped
}
maximize := inpututil.IsKeyJustPressed(ebiten.KeyM)
minimize := inpututil.IsKeyJustPressed(ebiten.KeyN)
restore := false
@ -255,6 +258,7 @@ func (g *game) Update(screen *ebiten.Image) error {
ebiten.SetWindowDecorated(decorated)
ebiten.SetWindowPosition(positionX, positionY)
ebiten.SetWindowFloating(floating)
ebiten.SetClearingScreenSkipped(clearingScreenSkipped)
if maximize && ebiten.IsWindowResizable() {
ebiten.MaximizeWindow()
}
@ -278,15 +282,12 @@ func (g *game) Update(screen *ebiten.Image) error {
}
func (g *game) Draw(screen *ebiten.Image) {
if !g.transparent {
screen.Fill(color.RGBA{0x80, 0x80, 0xc0, 0xff})
}
w, h := gophersImage.Size()
w2, h2 := screen.Size()
op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64(-w+w2)/2, float64(-h+h2)/2)
dx := math.Cos(2*math.Pi*float64(count)/360) * 10
dy := math.Sin(2*math.Pi*float64(count)/360) * 10
dx := math.Cos(2*math.Pi*float64(count)/360) * 20
dy := math.Sin(2*math.Pi*float64(count)/360) * 20
op.GeoM.Translate(dx, dy)
screen.DrawImage(gophersImage, op)
@ -331,6 +332,7 @@ func (g *game) Draw(screen *ebiten.Image) {
[T] Switch TPS (ticks per second)
[D] Switch the window decoration (only for desktops)
[L] Switch the window floating state (only for desktops)
[W] Switch whether to skip clearing the screen
%s
%s
IsFocused?: %s