From f4f784a7d3f9e11c833939ffbd9eb7d8e5abee42 Mon Sep 17 00:00:00 2001
From: Edgaru089 <sjs333@outlook.com>
Date: Fri, 21 Jan 2022 12:55:02 +0800
Subject: [PATCH] igwrap: fix DeltaTime less than 0 on Windows

---
 internal/igwrap/glfw.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/internal/igwrap/glfw.go b/internal/igwrap/glfw.go
index 9f6ee11..e843d86 100644
--- a/internal/igwrap/glfw.go
+++ b/internal/igwrap/glfw.go
@@ -38,7 +38,11 @@ func NewFrame() {
 	io.SetDisplaySize(imgui.Vec2{X: float32(dsx), Y: float32(dsy)})
 
 	now := time.Now()
-	io.SetDeltaTime(float32(time.Since(lastframe).Seconds()))
+	deltaTime := float32(time.Since(lastframe).Seconds())
+	if deltaTime <= 0.0 {
+		deltaTime = 1e-6
+	}
+	io.SetDeltaTime(deltaTime)
 	lastframe = now
 
 	if win.GetAttrib(glfw.Focused) != 0 {