4 files changed, 189 insertions, 0 deletions
diff --git a/v_windows/v/examples/hot_reload/.gitignore b/v_windows/v/examples/hot_reload/.gitignore
new file mode 100644
index 0000000..fc656b9
--- /dev/null
+++ b/v_windows/v/examples/hot_reload/.gitignore
@@ -0,0 +1 @@
+!glfw3.dll
diff --git a/v_windows/v/examples/hot_reload/bounce.v b/v_windows/v/examples/hot_reload/bounce.v
new file mode 100644
index 0000000..135ad52
--- /dev/null
+++ b/v_windows/v/examples/hot_reload/bounce.v
@@ -0,0 +1,84 @@
+// Build this example with
+// v -live bounce.v
+module main
+
+import gx
+import gg
+import time
+
+struct Game {
+mut:
+	gg      &gg.Context
+	x       int
+	y       int
+	dy      int
+	dx      int
+	height  int
+	width   int
+	draw_fn voidptr
+}
+
+const (
+	window_width  = 400
+	window_height = 300
+	width         = 50
+)
+
+fn main() {
+	mut game := &Game{
+		gg: 0
+		dx: 2
+		dy: 2
+		height: window_height
+		width: window_width
+		draw_fn: 0
+	}
+	game.gg = gg.new_context(
+		width: window_width
+		height: window_height
+		font_size: 20
+		user_data: game
+		window_title: 'Hot code reloading demo'
+		create_window: true
+		frame_fn: frame
+		bg_color: gx.white
+		font_path: gg.system_font_path()
+	)
+	// window.onkeydown(key_down)
+	println('Starting the game loop...')
+	go game.run()
+	game.gg.run()
+}
+
+// Try uncommenting or changing the lines inside the live functions.
+// Guess what will happen:
+[live]
+fn frame(mut game Game) {
+	game.gg.begin()
+	game.gg.draw_text_def(10, 5, 'Modify examples/hot_reload/bounce.v to get instant updates')
+	game.gg.draw_rect(game.x, game.y, width, width, gx.blue)
+	game.gg.draw_rect(window_width - width - game.x + 10, 200 - game.y + width, width,
+		width, gx.rgb(228, 10, 55))
+	game.gg.draw_rect(game.x - 25, 250 - game.y, width, width, gx.rgb(28, 240, 55))
+	game.gg.end()
+}
+
+[live]
+fn (mut game Game) update_model() {
+	speed := 2
+	game.x += speed * game.dx
+	game.y += speed * game.dy
+	if game.y >= game.height - width || game.y <= 0 {
+		game.dy = -game.dy
+	}
+	if game.x >= game.width - width || game.x <= 0 {
+		game.dx = -game.dx
+	}
+}
+
+fn (mut game Game) run() {
+	for {
+		game.update_model()
+		time.sleep(16 * time.millisecond) // 60fps
+	}
+}
diff --git a/v_windows/v/examples/hot_reload/graph.v b/v_windows/v/examples/hot_reload/graph.v
new file mode 100644
index 0000000..53228f1
--- /dev/null
+++ b/v_windows/v/examples/hot_reload/graph.v
@@ -0,0 +1,86 @@
+module main
+
+import gx
+import gg
+import time
+import math
+
+const (
+	size  = 700
+	scale = 50.0
+)
+
+struct Context {
+mut:
+	gg &gg.Context
+}
+
+fn main() {
+	mut context := &Context{
+		gg: 0
+	}
+	context.gg = gg.new_context(
+		width: size
+		height: size
+		font_size: 20
+		user_data: context
+		window_title: 'Graph builder'
+		create_window: true
+		frame_fn: frame
+		resizable: true
+		bg_color: gx.white
+		font_path: gg.system_font_path()
+	)
+	context.gg.run()
+}
+
+fn frame(mut ctx Context) {
+	ctx.gg.begin()
+	ctx.draw()
+	ctx.gg.end()
+}
+
+[live]
+fn (ctx &Context) draw() {
+	s := gg.window_size()
+	mut w := s.width
+	mut h := s.height
+	if gg.high_dpi() {
+		w /= 2
+		h /= 2
+	}
+	ctx.gg.draw_line(0, h / 2, w, h / 2, gx.gray) // x axis
+	ctx.gg.draw_line(w / 2, 0, w / 2, h, gx.gray) // y axis
+	atime := f64(time.ticks() / 10)
+	stime := math.sin(2.0 * math.pi * f64(time.ticks() % 6000) / 6000)
+	mut y := 0.0
+	blue := gx.Color{
+		r: 100
+		g: 100
+		b: 200
+	}
+	red := gx.Color{
+		r: 200
+		g: 100
+		b: 100
+	}
+	y = 1.0
+	max := f32(w) / (2 * scale)
+	min := -max
+	for x := min; x <= max; x += 0.01 {
+		// y = x*x + 2
+		// y = x * x + stime * stime
+		// y = stime
+		// y = stime * h
+		y = stime * 1.0 * math.sin(x + stime + atime / 32) * ((h / 256) + x)
+		// y = (stime * x) * x + stime
+		// y = (x + 3) * (x + 3) / stime + stime*2.5
+		// y = math.sqrt(30.0 - x * x) * stime
+		// y -= (stime-0.5) + stime
+		// ctx.gg.draw_rect(f32((w/2) + x * scale), f32((h/2) - y * scale), 2, 2, blue)
+		ctx.gg.draw_rect(f32((w / 2) + x * scale), f32((h / 2) - y * scale), 2, (f32(y) * scale),
+			blue)
+		ctx.gg.draw_rect(f32((w / 2) + x * scale), f32((h / 2) + y * scale), 2, (f32(y) * scale) +
+			32, red)
+	}
+}
diff --git a/v_windows/v/examples/hot_reload/message.v b/v_windows/v/examples/hot_reload/message.v
new file mode 100644
index 0000000..1f9ec2a
--- /dev/null
+++ b/v_windows/v/examples/hot_reload/message.v
@@ -0,0 +1,18 @@
+module main
+
+// Build this example with `v -live message.v`
+import time
+import v.live
+
+[live]
+fn print_message() {
+	info := live.info()
+	println('OK reloads: ${info.reloads_ok:4d} | Total reloads: ${info.reloads:4d} | Hello! Modify this message while the program is running.')
+}
+
+fn main() {
+	for {
+		print_message()
+		time.sleep(500 * time.millisecond)
+	}
+}