mirror of
https://github.com/hajimehoshi/ebiten.git
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61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
package rects
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import (
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"github.com/hajimehoshi/go.ebiten/graphics"
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"github.com/hajimehoshi/go.ebiten/graphics/matrix"
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"image/color"
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"math/rand"
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"time"
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)
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type Rects struct {
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rectsTexture graphics.Texture
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}
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func New() *Rects {
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return &Rects{}
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}
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func (game *Rects) ScreenWidth() int {
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return 256
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}
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func (game *Rects) ScreenHeight() int {
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return 240
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}
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func (game *Rects) Init(tf graphics.TextureFactory) {
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game.rectsTexture = tf.NewTexture(game.ScreenWidth(), game.ScreenHeight())
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}
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func (game *Rects) Update() {
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}
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func (game *Rects) Draw(g graphics.GraphicsContext, offscreen graphics.Texture) {
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g.SetOffscreen(game.rectsTexture.ID)
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x := rand.Intn(game.ScreenWidth())
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y := rand.Intn(game.ScreenHeight())
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width := rand.Intn(game.ScreenWidth() - x)
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height := rand.Intn(game.ScreenHeight() - y)
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red := uint8(rand.Intn(256))
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green := uint8(rand.Intn(256))
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blue := uint8(rand.Intn(256))
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alpha := uint8(rand.Intn(256))
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g.DrawRect(
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graphics.Rect{x, y, width, height},
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&color.RGBA{red, green, blue, alpha},
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)
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g.SetOffscreen(offscreen.ID)
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g.DrawTexture(game.rectsTexture,
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matrix.IdentityGeometry(),
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matrix.IdentityColor())
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}
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func init() {
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rand.Seed(time.Now().UnixNano())
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}
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