Created
July 26, 2020 15:30
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Square stroke cap results in same behavior as butt stroke cap bug
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use nannou::prelude::*; | |
/// Generative Artistry Blog, Tiled Lines | |
fn main() { | |
nannou::app(model) | |
.run(); | |
} | |
struct Model { | |
} | |
fn model(app: &App) -> Model { | |
let _window = app.new_window() | |
.size(720, 720) | |
.view(view) | |
.build() | |
.unwrap(); | |
Model { } | |
} | |
fn view(app: &App, _model: &Model, frame: Frame){ | |
if app.elapsed_frames() == 1 { | |
let draw = app.draw(); | |
draw.background().color(WHITE); | |
draw.rect() | |
.wh(app.window_rect().wh()) | |
.color(WHITE); | |
let left = app.window_rect().left() as i32; | |
let right = app.window_rect().right() as i32; | |
let top = app.window_rect().top() as i32; | |
let bottom = app.window_rect().bottom() as i32; | |
let step = 60; | |
for i in (left..right).step_by(step) { | |
for j in (bottom..top).step_by(step) { | |
draw_line(&draw, i as f32, j as f32, step as f32, step as f32); | |
} | |
} | |
draw.to_frame(app, &frame).unwrap(); | |
} | |
} | |
fn draw_line(draw: &Draw, x: f32, y: f32, w: f32, h: f32) { | |
let left_to_right = random_f32() >= 0.5; | |
if left_to_right { | |
let start_point = pt2(x, y); | |
let end_point = pt2(x+w, y+h); | |
draw.line() | |
.start(start_point) | |
.end(end_point) | |
// .caps_square() | |
// .caps_round() | |
.caps_butt() | |
.weight(10.0) | |
.color(PINK); | |
draw.rect() | |
.xy(start_point) | |
.w_h(2.0, 2.0) | |
.color(BLACK); | |
draw.rect() | |
.xy(end_point) | |
.w_h(2.0, 2.0) | |
.color(BLACK); | |
} else { | |
let start_point = pt2(x+w, y); | |
let end_point = pt2(x, y+h); | |
draw.line() | |
.start(start_point) | |
.end(end_point) | |
// .caps_square() | |
// .caps_round() | |
.caps_butt() | |
.weight(10.0) | |
.color(PINK); | |
draw.rect() | |
.xy(start_point) | |
.w_h(2.0, 2.0) | |
.color(BLACK); | |
draw.rect() | |
.xy(end_point) | |
.w_h(2.0, 2.0) | |
.color(BLACK); | |
} | |
} |
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