fixed snap in bug, started with space themed sprites

systems/player_system.go

@@ -1,6 +1,7 @@
 package systems
 
 import (
+	"fmt"
 	"log/slog"
 	"openquell/components"
 	. "openquell/components"
@@ -9,6 +10,7 @@ import (
 	"openquell/observers"
 
 	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
 	"github.com/hajimehoshi/ebiten/v2/inpututil"
 	"github.com/mlange-42/arche/ecs"
 	"github.com/mlange-42/arche/generic"
@@ -46,6 +48,7 @@ func PlayerBumpWallResponder(
 	vel *components.Velocity,
 	newpos *components.Position) {
 
+	slog.Debug("(2) PlayerBumpWallResponder", "old", pos.String(), "new", newpos.String())
 	pos.Set(newpos)
 	vel.Change(Stop)
 }
@@ -67,12 +70,16 @@ func (system PlayerSystem) Update() error {
 			continue
 		}
 
-		// check if the user alters or initiates movement
+		//  check  if the  user  alters  or initiates  movement,  only
+		// changes player direction
 		system.CheckMovement(playerposition, velocity, player)
 
 		// check if player collides with walls or edges
-		system.GridContainer.Grid.CheckGridCollision(
-			playerposition, velocity, PlayerBumpEdgeResponder, PlayerBumpWallResponder)
+		if velocity.Moving() {
+			slog.Debug("(2) checking grid collision")
+			system.GridContainer.Grid.CheckGridCollision(
+				playerposition, velocity, PlayerBumpEdgeResponder, PlayerBumpWallResponder)
+		}
 
 		if count > 1 {
 			// check if player collides with another player, fuse them if any
@@ -99,7 +106,11 @@ func (system PlayerSystem) Update() error {
 	query = system.Selector.Query(system.World)
 	for query.Next() {
 		playerposition, velocity, _, _ := query.Get()
-		playerposition.Move(velocity)
+		oldpos := playerposition.String()
+		if velocity.Moving() {
+			playerposition.Move(velocity)
+			slog.Debug("(4) moving player", "old", oldpos, "new", playerposition.String())
+		}
 	}
 
 	// we may have lost players, remove them here
@@ -124,6 +135,8 @@ func (system *PlayerSystem) Draw(screen *ebiten.Image) {
 		op.GeoM.Translate(float64(pos.X), float64(pos.Y))
 
 		screen.DrawImage(sprite.Image, op)
+
+		ebitenutil.DebugPrintAt(screen, pos.String(), pos.X, pos.Y) // print player pos
 	}
 }
 
@@ -196,6 +209,9 @@ func (system *PlayerSystem) CheckMovement(
 			player.LoopCount = 0
 			observer.AddMove()
 		}
+	} else {
+		fmt.Println("------------------------")
+		slog.Debug("(1) player is at", "current", position.String())
 	}
 }