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make window.run() use emscripten_set_main_loop #151

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make window.run() use emscripten_set_main_loop #151

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1 change: 0 additions & 1 deletion src/windy/platforms/emscripten/emdefs.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@ proc emscripten_set_main_loop*(f: proc() {.cdecl.}, a: cint, b: bool) {.importc.
# Additional Emscripten functions that might be needed
proc emscripten_cancel_main_loop*() {.importc.}
proc emscripten_get_now*(): cdouble {.importc.}
proc emscripten_request_animation_frame_loop*(f: proc(time: cdouble): cint {.cdecl.}, userData: pointer): cint {.importc.}
proc emscripten_sleep*(ms: cuint) {.importc.}

# WebGL bindings
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9 changes: 9 additions & 0 deletions src/windy/platforms/emscripten/platform.nim
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Expand Up @@ -100,6 +100,15 @@ proc pollEvents*() =
pollHttp()
emscripten_sleep(0)

proc run*(window: Window) =
proc mainLoop() {.cdecl.} =
if mainWindow != nil:
if mainWindow.onFrame != nil:
mainWindow.onFrame()
mainWindow.state.perFrame = PerFrame()
pollHttp()
emscripten_set_main_loop(mainLoop, 0, true)

proc size*(window: Window): IVec2 =
# Get the size of the canvas.
result.x = get_window_width() * get_device_pixel_ratio().int32
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