diff --git a/sjplayer/src/sjplayer/CircleElement.d b/sjplayer/src/sjplayer/CircleElement.d
index 635b169..dff1243 100644
--- a/sjplayer/src/sjplayer/CircleElement.d
+++ b/sjplayer/src/sjplayer/CircleElement.d
@@ -27,7 +27,8 @@ class CircleElement : AbstractShapeElement {
     if (d <= 1) {
       return DamageCalculationResult(damage, 0);
     }
-    return DamageCalculationResult(0, 1 - (d-1).clamp(0, 1));
+    const nearness = 1 - (d-1).clamp(0, 1);
+    return DamageCalculationResult(0, nearness * nearness_coe);
   }
 }
 
diff --git a/sjplayer/src/sjplayer/SquareElement.d b/sjplayer/src/sjplayer/SquareElement.d
index 2da737e..b712497 100644
--- a/sjplayer/src/sjplayer/SquareElement.d
+++ b/sjplayer/src/sjplayer/SquareElement.d
@@ -43,7 +43,8 @@ class SquareElement : AbstractShapeElement {
     if (min_distance == 0) {
       return DamageCalculationResult(damage, 0);
     }
-    return DamageCalculationResult(0, 1-(min_distance-1).clamp(0f, 1f));
+    const nearness = 1 - (min_distance-1).clamp(0f, 1f);
+    return DamageCalculationResult(0, nearness * nearness_coe);
   }
 }
 
diff --git a/sjplayer/src/sjplayer/TriangleElement.d b/sjplayer/src/sjplayer/TriangleElement.d
index 2fa0016..26dc884 100644
--- a/sjplayer/src/sjplayer/TriangleElement.d
+++ b/sjplayer/src/sjplayer/TriangleElement.d
@@ -50,7 +50,9 @@ class TriangleElement : AbstractShapeElement {
     if (min_distance == 0) {
       return DamageCalculationResult(damage, 0);
     }
-    return DamageCalculationResult(0, 1-(min_distance-1).clamp(0f, 1f));
+
+    const nearness = 1 - (min_distance-1).clamp(0f, 1f);
+    return DamageCalculationResult(0, nearness * nearness_coe);
   }
 }