mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-26 19:58:54 +01:00
78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright 2022 The Ebitengine Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"image/color"
|
|
"log"
|
|
"math"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2"
|
|
"github.com/hajimehoshi/ebiten/v2/examples/resources/fonts"
|
|
"github.com/hajimehoshi/ebiten/v2/text/v2"
|
|
"github.com/hajimehoshi/ebiten/v2/vector"
|
|
)
|
|
|
|
const (
|
|
screenWidth = 640
|
|
screenHeight = 480
|
|
)
|
|
|
|
type Game struct {
|
|
path vector.Path
|
|
tick int
|
|
}
|
|
|
|
func (g *Game) Update() error {
|
|
if g.tick == 0 {
|
|
s, err := text.NewGoTextFaceSource(bytes.NewReader(fonts.MPlus1pRegular_ttf))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
op := &text.LayoutOptions{}
|
|
op.LineSpacing = 110
|
|
text.AppendVectorPath(&g.path, "ABCEDFG\nabcdefg\nあいうえお\nかきくけこ", &text.GoTextFace{
|
|
Source: s,
|
|
Size: 90,
|
|
}, op)
|
|
}
|
|
|
|
g.tick++
|
|
|
|
return nil
|
|
}
|
|
|
|
func (g *Game) Draw(screen *ebiten.Image) {
|
|
op := &vector.StrokeOptions{}
|
|
op.Width = 2*(float32(math.Sin(float64(g.tick)*2*math.Pi/180))+1) + 1
|
|
op.LineJoin = vector.LineJoinRound
|
|
op.LineCap = vector.LineCapRound
|
|
var geoM ebiten.GeoM
|
|
geoM.Translate(50, 0)
|
|
vector.StrokePath(screen, g.path.ApplyGeoM(geoM), color.White, true, op)
|
|
}
|
|
|
|
func (*Game) Layout(width, height int) (int, int) {
|
|
return screenWidth, screenHeight
|
|
}
|
|
|
|
func main() {
|
|
ebiten.SetWindowTitle("Font Vector (Ebitengine Demo)")
|
|
if err := ebiten.RunGame(&Game{}); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|