wisplite/a-star-go
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added AutoCompute mode

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wisplite
2026-05-14 11:01:03 -05:00
parent 50db827e57
commit 754ea5bd18
1 changed files with 60 additions and 17 deletions
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main.go
+60 -17
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@@ -265,7 +265,7 @@ func drawInfiniteGridLines(camera rl.Camera2D, canvasW float32, canvasH float32,
func main() { func main() {
rl.SetConfigFlags(rl.FlagWindowResizable) rl.SetConfigFlags(rl.FlagWindowResizable)
rl.InitWindow(int32(800), int32(450), "A* Visualizer") rl.InitWindow(int32(800), int32(600), "A* Visualizer")
defer rl.CloseWindow() defer rl.CloseWindow()
scale := rl.GetWindowScaleDPI().X + 0.25 scale := rl.GetWindowScaleDPI().X + 0.25
@@ -315,6 +315,8 @@ func main() {
defer rl.UnloadTexture(mapTexture) defer rl.UnloadTexture(mapTexture)
defer rl.UnloadImage(mapImage) defer rl.UnloadImage(mapImage)
autoCompute := false
astar := AStar{} astar := AStar{}
astar.Init(width, height) astar.Init(width, height)
@@ -419,6 +421,42 @@ func main() {
} }
if rl.IsMouseButtonReleased(rl.MouseLeftButton) { if rl.IsMouseButtonReleased(rl.MouseLeftButton) {
if autoCompute && lastMousePos.X != -1 && lastMousePos.Y != -1 && int(startPos.X) >= 0 && int(startPos.X) < width && int(startPos.Y) >= 0 && int(startPos.Y) < height && int(endPos.X) >= 0 && int(endPos.X) < width && int(endPos.Y) >= 0 && int(endPos.Y) < height {
astar.ResetGrid(false) // keep grid types, otherwise it will delete the board before simulating
gridTypes := astar.GetGridTypes()
for i, gridType := range gridTypes {
// reset the map image
switch gridType {
case 0:
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(240, 240, 240, 255))
case 1:
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(0, 0, 0, 255))
case 2:
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(0, 255, 0, 255))
case 3:
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(255, 0, 0, 255))
}
}
tex.markFull()
astar.SetHeuristic(activeHeuristic)
path := astar.CalculatePath(int(startPos.X), int(startPos.Y), int(endPos.X), int(endPos.Y))
closedSet := astar.GetClosedSet()
for i, closed := range closedSet {
if closed {
x := i % width
y := i / width
if x != int(startPos.X) || y != int(startPos.Y) {
rl.ImageDrawPixel(mapImage, int32(x), int32(y), rl.NewColor(0, 0, 255, 255))
}
}
}
for _, p := range path {
if p[0] != int(startPos.X) || p[1] != int(startPos.Y) { // we want to keep the start position green
rl.ImageDrawPixel(mapImage, int32(p[0]), int32(p[1]), rl.NewColor(255, 255, 0, 255))
}
}
tex.markFull()
}
lastMousePos = rl.NewVector2(-1, -1) lastMousePos = rl.NewVector2(-1, -1)
} }
@@ -509,27 +547,32 @@ func main() {
} }
// Reset Visualization Button // Reset Visualization Button
if rg.Button(rl.NewRectangle(sidebarX+(10*scale), (screenHeight-(80*scale)), (180*scale), (30*scale)), "Reset Visualization") { if !toolDropdownOpen && !heuristicDropdownOpen {
astar.ResetGrid(false) // keep grid types, otherwise it will delete the board before simulating if rg.Button(rl.NewRectangle(sidebarX+(10*scale), (200*scale), (180*scale), (30*scale)), "Reset Visualization") {
gridTypes := astar.GetGridTypes() astar.ResetGrid(false) // keep grid types, otherwise it will delete the board before simulating
for i, gridType := range gridTypes { gridTypes := astar.GetGridTypes()
// reset the map image for i, gridType := range gridTypes {
switch gridType { // reset the map image
case 0: switch gridType {
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(240, 240, 240, 255)) case 0:
case 1: rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(240, 240, 240, 255))
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(0, 0, 0, 255)) case 1:
case 2: rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(0, 0, 0, 255))
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(0, 255, 0, 255)) case 2:
case 3: rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(0, 255, 0, 255))
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(255, 0, 0, 255)) case 3:
rl.ImageDrawPixel(mapImage, int32(i%width), int32(i/width), rl.NewColor(255, 0, 0, 255))
}
} }
tex.markFull()
} }
tex.markFull()
} }
// AutoCompute
autoCompute = rg.CheckBox(rl.NewRectangle(sidebarX+(160*scale), (screenHeight-(40*scale)), (30*scale), (30*scale)), "", autoCompute) // no title because it would overlap the button
// Calculate Path Button // Calculate Path Button
if rg.Button(rl.NewRectangle(sidebarX+(10*scale), (screenHeight-(40*scale)), (180*scale), (30*scale)), "Calculate Path") { if rg.Button(rl.NewRectangle(sidebarX+(10*scale), (screenHeight-(40*scale)), (140*scale), (30*scale)), "Calculate Path") {
if int(startPos.X) < 0 || int(startPos.X) >= width || int(startPos.Y) < 0 || int(startPos.Y) >= height || int(endPos.X) < 0 || int(endPos.X) >= width || int(endPos.Y) < 0 || int(endPos.Y) >= height { if int(startPos.X) < 0 || int(startPos.X) >= width || int(startPos.Y) < 0 || int(startPos.Y) >= height || int(endPos.X) < 0 || int(endPos.X) >= width || int(endPos.Y) < 0 || int(endPos.Y) >= height {
posError = true posError = true
} else { } else {