up3

server/entity/effect/haste.go

@@ -0,0 +1,27 @@
+package effect
+
+import (
+	"image/color"
+)
+
+// Haste is a lasting effect that increases the mining speed of a player by 20%
+// for each level of the effect.
+var Haste haste
+
+type haste struct {
+	nopLasting
+}
+
+// Multiplier returns the mining speed multiplier from this effect.
+func (haste) Multiplier(lvl int) float64 {
+	v := 1 - float64(lvl)*0.1
+	if v < 0 {
+		v = 0
+	}
+	return v
+}
+
+// RGBA ...
+func (haste) RGBA() color.RGBA {
+	return color.RGBA{R: 0xd9, G: 0xc0, B: 0x43, A: 0xff}
+}