up3

server/entity/effect/speed.go

@@ -0,0 +1,35 @@
+package effect
+
+import (
+	"github.com/df-mc/dragonfly/server/world"
+	"image/color"
+)
+
+// Speed is a lasting effect that increases the speed of an entity by 20% for
+// each level that the effect has.
+var Speed speed
+
+type speed struct {
+	nopLasting
+}
+
+// Start ...
+func (speed) Start(e world.Entity, lvl int) {
+	speed := 1 + float64(lvl)*0.2
+	if l, ok := e.(living); ok {
+		l.SetSpeed(l.Speed() * speed)
+	}
+}
+
+// End ...
+func (speed) End(e world.Entity, lvl int) {
+	speed := 1 + float64(lvl)*0.2
+	if l, ok := e.(living); ok {
+		l.SetSpeed(l.Speed() / speed)
+	}
+}
+
+// RGBA ...
+func (speed) RGBA() color.RGBA {
+	return color.RGBA{R: 0x33, G: 0xeb, B: 0xff, A: 0xff}
+}