runtime statistics label

astar.go

@@ -4,6 +4,7 @@ import (
 	"container/heap"
 	"fmt"
 	"math"
+	"time"
 )
 
 type Item struct {
@@ -52,6 +53,7 @@ type AStar struct {
 	width     int
 	height    int
 	heuristic func(x int, y int, endX int, endY int) float32
+	timeTaken time.Duration
 }
 
 func (a *AStar) Init(width int, height int) {
@@ -195,7 +197,25 @@ func (a *AStar) GetTerrainCost(x int, y int) float32 {
 	return 1.0
 }
 
+func (a *AStar) GetEvaluatedCells() int {
+	cellsEvaluated := 0
+	for _, closed := range a.closedSet {
+		if closed {
+			cellsEvaluated++
+		}
+	}
+	return cellsEvaluated
+}
+
+func (a *AStar) GetTimeTaken() time.Duration {
+	return a.timeTaken
+}
+
 func (a *AStar) CalculatePath(startX int, startY int, endX int, endY int) [][]int {
+	timer := time.Now()
+	defer func() {
+		a.timeTaken = time.Since(timer)
+	}()
 	startIndex := startY*a.width + startX
 	endIndex := endY*a.width + endX
 	a.gScores[startIndex] = 0

main.go

@@ -380,6 +380,7 @@ func main() {
 							if startPos.X >= 0 && startPos.Y >= 0 {
 								ox, oy := int(startPos.X), int(startPos.Y)
 								rl.ImageDrawPixel(mapImage, int32(startPos.X), int32(startPos.Y), rl.NewColor(240, 240, 240, 255))
+								astar.SetGridType(ox, oy, 0)
 								tex.markRegion(ox, oy, ox, oy, width, height)
 							}
 							rl.ImageDrawPixel(mapImage, int32(x), int32(y), rl.NewColor(0, 255, 0, 255))
@@ -392,6 +393,7 @@ func main() {
 							if endPos.X >= 0 && endPos.Y >= 0 {
 								ox, oy := int(endPos.X), int(endPos.Y)
 								rl.ImageDrawPixel(mapImage, int32(endPos.X), int32(endPos.Y), rl.NewColor(240, 240, 240, 255))
+								astar.SetGridType(ox, oy, 0)
 								tex.markRegion(ox, oy, ox, oy, width, height)
 							}
 							rl.ImageDrawPixel(mapImage, int32(x), int32(y), rl.NewColor(255, 0, 0, 255))
@@ -554,6 +556,9 @@ func main() {
 			tex.markFull()
 		}
 
+		// Status Label
+		rg.Label(rl.NewRectangle((10*scale), (screenHeight-(30*scale)), (180*scale), (30*scale)), "Evaluated "+strconv.Itoa(astar.GetEvaluatedCells())+" cells in "+astar.GetTimeTaken().String())
+
 		rl.EndDrawing()
 	}
 }