automated snapshot

field.go

@@ -124,9 +124,21 @@ func (fl *FieldLayer) IsDirty() bool {
 	return fl.dirty
 }
 
+type AdderField struct {
+	fields []Field
+}
+
+func (f *AdderField) Get(x, y float32) float32 {
+	var z float32 = 0.0
+	for _, field := range f.fields {
+		z += rl.Clamp(field.Get(x, y), 0.0, 1.0) / float32(len(f.fields))
+	}
+	return z
+}
 
 type SinXYField struct {}
 
 func (f *SinXYField) Get(x, y float32) float32 {
-	return float32(math.Sin(float64(x * y)))
+	return float32(0.5 + 0.5*math.Sin(float64(x))*math.Sin(float64(y)))
+	//return float32(math.Sin(float64(x * y)))
 }