diff --git a/utils/g2d/physics.go b/utils/g2d/physics.go
index ab81172..b5da3d8 100644
--- a/utils/g2d/physics.go
+++ b/utils/g2d/physics.go
@@ -1,12 +1,13 @@
 package g2d
 
 // SlideDropXY 侧滑掉落特定位置成员
-func SlideDropXY[T any](matrix [][]T, x, y int, isStop func(x, y int, data T) bool) (dropX, dropY int) {
+func SlideDropXY[T any](matrix [][]T, x, y int, isStop func(start T, x, y int, data T) bool) (dropX, dropY int) {
 	width, height := len(matrix), len(matrix[0])
+	start := matrix[x][y]
 	var offsetX, offsetY = -1, 1
 	for {
 		targetX, targetY := x+offsetX, y+offsetY
-		if targetX < 0 || targetY == height || isStop(targetX, targetY, matrix[targetX][targetY]) {
+		if targetX < 0 || targetY == height || isStop(start, targetX, targetY, matrix[targetX][targetY]) {
 			dropX, dropY = targetX+1, targetY-1
 			break
 		}
@@ -16,7 +17,7 @@ func SlideDropXY[T any](matrix [][]T, x, y int, isStop func(x, y int, data T) bo
 	offsetX, offsetY = 1, 1
 	for dropX != x && dropY != y {
 		targetX, targetY := x+offsetX, y+offsetY
-		if targetX == width || targetY == height || isStop(targetX, targetY, matrix[targetX][targetY]) {
+		if targetX == width || targetY == height || isStop(start, targetX, targetY, matrix[targetX][targetY]) {
 			dropX, dropY = targetX-1, targetY-1
 			break
 		}
@@ -28,7 +29,7 @@ func SlideDropXY[T any](matrix [][]T, x, y int, isStop func(x, y int, data T) bo
 
 // SlideDropX 侧滑掉落一整列
 //   - 返回每一个成员的y轴新坐标
-func SlideDropX[T any](matrix [][]T, x int, isStop func(x, y int, data T) bool) (result []int, change bool) {
+func SlideDropX[T any](matrix [][]T, x int, isStop func(start T, x, y int, data T) bool) (result []int, change bool) {
 	result = make([]int, len(matrix[x]))
 	for y := len(matrix[x]) - 1; y >= 0; y-- {
 		_, dropY := SlideDropXY(matrix, x, y, isStop)
@@ -42,7 +43,7 @@ func SlideDropX[T any](matrix [][]T, x int, isStop func(x, y int, data T) bool)
 
 // SlideDropY 侧滑掉落一整行
 //   - 返回每一个成员的x轴新坐标
-func SlideDropY[T any](matrix [][]T, y int, isStop func(x, y int, data T) bool) (result []int, change bool) {
+func SlideDropY[T any](matrix [][]T, y int, isStop func(start T, x, y int, data T) bool) (result []int, change bool) {
 	result = make([]int, len(matrix))
 	for x := 0; x < len(matrix); x++ {
 		dropX, _ := SlideDropXY(matrix, x, y, isStop)
@@ -55,7 +56,7 @@ func SlideDropY[T any](matrix [][]T, y int, isStop func(x, y int, data T) bool)
 }
 
 // SlideDrop 侧滑掉落整个矩阵
-func SlideDrop[T any](matrix [][]T, isStop func(x, y int, data T) bool) (result [][][2]int, change bool) {
+func SlideDrop[T any](matrix [][]T, isStop func(start T, x, y int, data T) bool) (result [][][2]int, change bool) {
 	result = make([][][2]int, len(matrix))
 	for x := 0; x < len(matrix); x++ {
 		ys := make([][2]int, len(matrix[x]))
@@ -70,12 +71,13 @@ func SlideDrop[T any](matrix [][]T, isStop func(x, y int, data T) bool) (result
 }
 
 // VerticalDropXY 垂直掉落特定位置成员
-func VerticalDropXY[T any](matrix [][]T, x, y int, isStop func(x, y int, data T) bool) (dropX, dropY int) {
+func VerticalDropXY[T any](matrix [][]T, x, y int, isStop func(start T, x, y int, data T) bool) (dropX, dropY int) {
 	height := len(matrix[0])
+	start := matrix[x][y]
 	var offsetY = 1
 	for {
 		testY := y + offsetY
-		if testY == height || isStop(x, testY, matrix[x][testY]) {
+		if testY == height || isStop(start, x, testY, matrix[x][testY]) {
 			return x, testY - 1
 		}
 		offsetY++
@@ -84,7 +86,7 @@ func VerticalDropXY[T any](matrix [][]T, x, y int, isStop func(x, y int, data T)
 
 // VerticalDropX 垂直掉落一整列
 //   - 返回每一个成员的y轴新坐标
-func VerticalDropX[T any](matrix [][]T, x int, isStop func(x, y int, data T) bool) (result []int, change bool) {
+func VerticalDropX[T any](matrix [][]T, x int, isStop func(start T, x, y int, data T) bool) (result []int, change bool) {
 	result = make([]int, len(matrix[x]))
 	for y := len(matrix[x]) - 1; y >= 0; y-- {
 		_, dropY := VerticalDropXY(matrix, x, y, isStop)
@@ -98,7 +100,7 @@ func VerticalDropX[T any](matrix [][]T, x int, isStop func(x, y int, data T) boo
 
 // VerticalDropY 垂直掉落一整行
 //   - 返回每一个成员的x轴新坐标
-func VerticalDropY[T any](matrix [][]T, y int, isStop func(x, y int, data T) bool) (result []int, change bool) {
+func VerticalDropY[T any](matrix [][]T, y int, isStop func(start T, x, y int, data T) bool) (result []int, change bool) {
 	result = make([]int, len(matrix))
 	for x := 0; x < len(matrix); x++ {
 		dropX, _ := VerticalDropXY(matrix, x, y, isStop)
@@ -111,7 +113,7 @@ func VerticalDropY[T any](matrix [][]T, y int, isStop func(x, y int, data T) boo
 }
 
 // VerticalDrop 垂直掉落整个矩阵
-func VerticalDrop[T any](matrix [][]T, isStop func(x, y int, data T) bool) (result [][][2]int, change bool) {
+func VerticalDrop[T any](matrix [][]T, isStop func(start T, x, y int, data T) bool) (result [][][2]int, change bool) {
 	result = make([][][2]int, len(matrix))
 	for x := 0; x < len(matrix); x++ {
 		ys := make([][2]int, len(matrix[x]))