ebiten/example/shapes/main.go

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// Copyright 2015 Hajime Hoshi
//
// 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 (
"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/exp/shape"
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"image/color"
"log"
//"math"
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)
const (
screenWidth = 320
screenHeight = 240
)
func update(screen *ebiten.Image) error {
for i := 0; i < 6; i++ {
screen.DrawRect(2*i, 2*i, 100, 100, color.NRGBA{0x80, 0x80, 0xff, 0x80})
}
screen.DrawFilledRect(10, 10, 100, 100, color.NRGBA{0x80, 0x80, 0xff, 0x80})
screen.DrawFilledRect(20, 20, 100, 100, color.NRGBA{0x80, 0x80, 0xff, 0x80})
screen.DrawLine(130, 0, 140, 100, color.NRGBA{0xff, 0x80, 0x80, 0x80})
screen.DrawLine(140, 0, 150, 100, color.NRGBA{0xff, 0x80, 0x80, 0x80})
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shape.DrawEllipse(screen, 0, 0, 200, 200, color.NRGBA{0x80, 0xff, 0x80, 0x80})
//shape.DrawArc(screen, 0, 0, 50, 50, 0, math.Pi/2, color.NRGBA{0xff, 0x80, 0x80, 0x80})
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return nil
}
func main() {
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Shapes (Ebiten Demo)"); err != nil {
log.Fatal(err)
}
}