This commit is contained in:
Morrígan 2025-06-20 15:13:11 +02:00
parent b7a21689f6
commit bbd12beab2
Signed by: morrigan
GPG key ID: CACB010F463A77D0

View file

@ -1,41 +1,54 @@
package main
import "core:fmt"
import gl "vendor:OpenGL"
import "vendor:glfw"
import "vendor:sdl2"
WIDTH :: 1600
HEIGHT :: 900
// @note You might need to lower this to 3.3 depending on how old your graphics card is.
GL_MAJOR_VERSION :: 4
GL_MINOR_VERSION :: 5
Game :: struct {
render: ^sdl2.Renderer,
time: f64,
dt: f64,
}
get_time :: proc() -> f64 {
return f64(sdl2.GetPerformanceCounter()) * 1000 / f64(sdl2.GetPerformanceFrequency())
}
main :: proc() {
if !bool(glfw.Init()) {
fmt.eprintln("GLFW failed to load!")
return
assert(sdl2.Init(sdl2.INIT_VIDEO) == 0, sdl2.GetErrorString())
defer sdl2.Quit()
window := sdl2.CreateWindow("Game", 0, 0, 1600, 900, sdl2.WINDOW_SHOWN)
assert(window != nil, sdl2.GetErrorString())
defer sdl2.DestroyWindow(window)
render := sdl2.CreateRenderer(window, -1, sdl2.RENDERER_ACCELERATED)
assert(render != nil, sdl2.GetErrorString())
tickrate := 240.0
ticktime := 1000.0 / tickrate
game := Game {
render = render,
time = get_time(),
dt = ticktime,
}
window := glfw.CreateWindow(WIDTH, HEIGHT, "hello", nil, nil)
for {
event: sdl2.Event
for sdl2.PollEvent(&event) {
#partial switch event.type {
case .QUIT:
return
defer glfw.Terminate()
defer glfw.DestroyWindow(window)
}
}
if window == nil {
fmt.eprintln("GLFW has failed to load the window.")
return
}
glfw.MakeContextCurrent(window)
gl.load_up_to(GL_MAJOR_VERSION, GL_MINOR_VERSION, glfw.gl_set_proc_address)
for !glfw.WindowShouldClose(window) {
glfw.PollEvents()
gl.ClearColor(1.0, 1.0, 1.0, 1.0)
gl.Clear(gl.COLOR_BUFFER_BIT)
glfw.SwapBuffers(window)
sdl2.SetRenderDrawColor(render, 0, 0, 0, 0)
sdl2.RenderClear(render)
sdl2.RenderPresent(render)
}
}