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authorIndrajith K L2022-12-03 17:00:20 +0530
committerIndrajith K L2022-12-03 17:00:20 +0530
commitf5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch)
tree2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/examples/hot_reload/bounce.v
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Adds most of the toolsHEADmaster
Diffstat (limited to 'v_windows/v/examples/hot_reload/bounce.v')
-rw-r--r--v_windows/v/examples/hot_reload/bounce.v84
1 files changed, 84 insertions, 0 deletions
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
+ }
+}