Moved font loading external to Draw call. Should improve performance.

geometry/grid.go

@@ -96,7 +96,6 @@ func BuildGrid(numRows int, numColumns int) {
 
 	//assign random colours to a subset of all squares
 	squaresToColour := min(numColumns, numRows)
-
 	usedPositions := make([]Pair, squaresToColour)
 	coloredSoFar := 0
 	for i := 0; i < squaresToColour; i++ {

tools/scoreManager.go

@@ -26,7 +26,7 @@ func (sm *ScoreManager) Draw(screen *ebiten.Image) {
 
 	//highScoreStr := fmt.Sprintf("High Score: %v", highScore)
 	levelStr := fmt.Sprintf("Level: %v", geom.CurrentLevel)
-	face := assets.LoadFontFace("fonts/robot.otf", 12)
+	face := FaceA //assets.LoadFontFace("fonts/robot.otf", 12)
 
 	//draw high score (i.e. best level)
 	//stringWidth := font.MeasureString(face, highScoreStr).Ceil()
@@ -38,8 +38,17 @@ func (sm *ScoreManager) Draw(screen *ebiten.Image) {
 
 	//draw energy at the top
 	energyStr := fmt.Sprintf("Energy: %v", geom.CurrentEnergy)
-	face = assets.LoadFontFace("fonts/robot.otf", 20)
+	face = FaceB // assets.LoadFontFace("fonts/robot.otf", 20)
 	stringWidth := font.MeasureString(face, energyStr).Ceil()
 	text.Draw(screen, energyStr, face, w/2-stringWidth/2, geom.ScoreOffset, color.White)
 
 }
+
+var (
+	FaceA, FaceB font.Face
+)
+
+func init() {
+	FaceA = assets.LoadFontFace("fonts/robot.otf", 12)
+	FaceB = assets.LoadFontFace("fonts/robot.otf", 20)
+}