v0.0.9: Fixed a bug

dimkauzh · Oct 8, 2023 · 9834371 · 9834371
1 parent 925d108
commit 9834371
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Showing 2 changed files with 16 additions and 5 deletions.
diff --git a/src/backend/document/canvas.go b/src/backend/document/canvas.go
@@ -41,6 +41,10 @@ func (c *context) FillRect(x, y, width, height float64) {
 	c.context.Call("fillRect", x, y, width, height)
 }
 
+func (c *context) ClearRect(x, y, width, height float64) {
+	c.context.Call("clearRect", x, y, width, height)
+}
+
 func (c *context) DrawImage(img js.Value, x, y, width, height float64) {
 	c.context.Call("drawImage", img, x, y, width, height)
 }
diff --git a/src/webzen/init.go b/src/webzen/init.go
@@ -5,17 +5,23 @@ package webzen
 
 import (
 	"syscall/js"
-  "time"
+	"time"
 
 	"github.com/dimkauzh/webzen/src/backend/document"
 	"github.com/dimkauzh/webzen/src/backend/window"
-  "github.com/dimkauzh/webzen/src/webzen/keys"
+	"github.com/dimkauzh/webzen/src/webzen/keys"
 )
 
 var fpsInterval = time.Millisecond * 16
 
 func SetFps(fps int) {
-    fpsInterval = time.Second / time.Duration(fps)
+	fpsInterval = time.Second / time.Duration(fps)
+}
+
+func clearCanvas() {
+	canvas := document.GetElementById("canvas")
+	context := canvas.GetContext("2d")
+	context.ClearRect(0, 0, canvas.Get("width").Float(), canvas.Get("height").Float())
 }
 
 func Init() {
@@ -38,9 +44,10 @@ func Init() {
 		return nil
 	}))
 
-  keys.SetupEventListeners()
+	keys.SetupEventListeners()
 }
 
 func Update() {
-   time.Sleep(time.Millisecond * 16)
+	time.Sleep(time.Millisecond * 16)
+	clearCanvas()
 }