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examples: minor bounce.v improvements for the demo

pull/4700/head
Alexander Medvednikov 2020-05-04 12:26:36 +02:00
parent 4571a5eb83
commit 0f0b6a0ccd
1 changed files with 27 additions and 18 deletions
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45
examples/hot_reload/bounce.v
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@ -21,22 +21,30 @@ mut:
draw_fn voidptr draw_fn voidptr
} }
const (
window_width = 400
window_height = 300
width = 50
red = gx.rgb(255, 0, 0)
green = gx.rgb(0, 255, 0)
blue = gx.rgb(0, 0, 255)
black = gx.rgb(0, 0, 0)
)
fn main() { fn main() {
glfw.init_glfw() glfw.init_glfw()
width := 600
height := 300
mut game := &Game{ mut game := &Game{
gg: 0 gg: 0
dx: 2 dx: 2
dy: 2 dy: 2
height: height height: window_height
width: width width: window_width
main_wnd: 0 main_wnd: 0
draw_fn: 0 draw_fn: 0
} }
window := glfw.create_window(glfw.WinCfg{ window := glfw.create_window(glfw.WinCfg{
width: width width: window_width
height: height height: window_height
borderless: false borderless: false
title: 'Hot code reloading demo' title: 'Hot code reloading demo'
ptr: game ptr: game
@ -47,8 +55,8 @@ fn main() {
window.make_context_current() window.make_context_current()
gg.init_gg() gg.init_gg()
game.gg = gg.new_context(gg.Cfg{ game.gg = gg.new_context(gg.Cfg{
width: width width: window_width
height: height height: window_height
font_size: 20 font_size: 20
use_ortho: true use_ortho: true
window_user_ptr: 0 window_user_ptr: 0
@ -67,26 +75,18 @@ fn main() {
} }
} }
const (
width = 50
red = gx.rgb(255, 0, 0)
green = gx.rgb(0, 255, 0)
blue = gx.rgb(0, 0, 255)
)
// Try uncommenting or changing the lines inside the live functions. // Try uncommenting or changing the lines inside the live functions.
// Guess what will happen: // Guess what will happen:
[live] [live]
fn (game &Game) draw() { fn (game &Game) draw() {
game.gg.draw_rect(game.x, game.y, width, width, blue) game.gg.draw_rect(game.x, game.y, width, width, blue)
game.gg.draw_rect(550 - game.x + 10, 200 - game.y + 50, width, width, gx.rgb(228, 10, 55)) 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.draw_rect(game.x - 25, 250 - game.y, width, width, gx.rgb(28, 240, 55))
} }
[live] [live]
fn (mut game Game) update_model() { fn (mut game Game) update_model() {
// game.x = 0 game.y = 0 game.dx = 1 game.dy = 1
// game.dx = 3 game.dy = 3
speed := 2 speed := 2
game.x += speed * game.dx game.x += speed * game.dx
game.y += speed * game.dy game.y += speed * game.dy
@ -102,6 +102,15 @@ fn (mut game Game) run() {
for { for {
game.update_model() game.update_model()
glfw.post_empty_event() // Refresh glfw.post_empty_event() // Refresh
time.sleep_ms(17) time.sleep_ms(17) // 60fps
} }
} }