module sim import benchmark import term pub type SimRequestHandler = fn (request &SimRequest) ! pub type SimStartHandler = fn () ! pub type SimFinishHandler = fn () ! pub const ( default_width = 600 default_height = 600 ) [params] pub struct GridSettings { pub: width int = sim.default_width height int = sim.default_height } pub fn new_grid_settings(settings GridSettings) GridSettings { return GridSettings{ ...settings } } [params] pub struct RunnerSettings { pub: grid GridSettings on_request SimRequestHandler on_start SimStartHandler on_finish SimFinishHandler } pub fn run(params SimParams, settings RunnerSettings) { height := settings.grid.height width := settings.grid.width if !isnil(settings.on_start) { settings.on_start() or { log(@MOD + '.' + @FN + ': Simulation start handler failed. Error $err') } } mut index := 0 log('') mut bmark := benchmark.new_benchmark() for y in 0 .. height { $if verbose ? { term.clear_previous_line() } log(@MOD + '.' + @FN + ': y: ${y + 1}') for x in 0 .. width { bmark.step() // setup state conditions position := vector( x: 0.1 * ((f64(x) - 0.5 * f64(width - 1)) / f64(width - 1)) y: 0.1 * ((f64(y) - 0.5 * f64(height - 1)) / f64(height - 1)) z: 0.0 ) velocity := vector(x: 0, y: 0, z: 0) mut state := new_state( position: position velocity: velocity ) state.satisfy_rope_constraint(params) request := &SimRequest{ id: index state: state params: params } settings.on_request(request) or { log(@MOD + '.' + @FN + ': request handler failed. Error $err') bmark.fail() break } index++ bmark.ok() } } bmark.stop() println(bmark.total_message(@FN)) if !isnil(settings.on_finish) { settings.on_finish() or { log(@MOD + '.' + @FN + ': Simulation stop handler failed. Error $err') } } }