Add display components 041-065; move Icon into display; QR via rsc.io/qr

display/sprite.go

@@ -0,0 +1,32 @@
+package display
+
+import (
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type SpriteOptions struct {
+	Slot  pixel.Slot
+	Scale int
+	// FPS plays the frames; zero shows the first.
+	FPS    int
+	Mirror bool
+	Label  string
+}
+
+// Sprite plays a multi-slot sprite, mirrored when asked.
+func Sprite(c *ui.Context, sp *pixel.Sprite, o SpriteOptions) *ui.Element {
+	k, sc := pixel.K(c), scale(o.Scale)
+	fps := orDef("Sprite FPS", o.FPS, 0)
+	if o.Mirror {
+		sp = sp.Mirror()
+	}
+	return art(c, k, o.Label, sp.W*sc, sp.H*sc, func(g pixel.Canvas) {
+		frame := 0
+		if fps > 0 {
+			frame = g.Step(fps)
+		}
+		g.Sprite(0, 0, sp, frame, o.Slot, sc)
+	})
+}