diff --git a/camera.go b/camera.go
index dc5f067..6891d0c 100644
--- a/camera.go
+++ b/camera.go
@@ -197,7 +197,7 @@ func (v vec2) Mult(s float64) vec2 {
 }
 
 type CameraShakeOptions struct {
-	Trauma, TimeScale, MaxShakeAngle, ShakeSizeX, ShakeSizeY, Decay float64
+	TimeScale, MaxShakeAngle, ShakeSizeX, ShakeSizeY, Decay float64
 }
 
 func DefaultCameraShakeOptions() CameraShakeOptions {
diff --git a/examples/demo/main.go b/examples/demo/main.go
index 74e52fc..4e9305f 100644
--- a/examples/demo/main.go
+++ b/examples/demo/main.go
@@ -169,8 +169,8 @@ func (oyn *Game) Layout(w, h int) (int, int) {
 
 func main() {
 	// minf, maxf := math.SmallestNonzeroFloat64, math.MaxFloat64
-	minf, maxf := -5000.0, 5000.0
-	enemyCount := 2000
+	minf, maxf := -2000.0, 2000.0
+	enemyCount := 500
 	enemySize := 64
 	w, h := 854, 480