67 lines
2.2 KiB
Rust
67 lines
2.2 KiB
Rust
//! Cheese example using the turtle_main macro
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//!
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//! This is a simplified version of cheese.rs that demonstrates how the
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//! turtle_main macro reduces boilerplate code.
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use turtle_lib::*;
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#[turtle_main("Cheese with Holes - Using Macro")]
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fn draw_cheese(turtle: &mut TurtlePlan) {
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// Set fill color to yellow (cheese color!)
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turtle.set_pen_color(ORANGE);
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turtle.set_pen_width(3.0);
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turtle.set_fill_color(YELLOW);
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println!("=== Starting cheese fill ===");
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turtle.begin_fill();
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// Draw outer boundary (large square)
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println!("Drawing outer square boundary...");
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for _ in 0..4 {
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turtle.forward(400.0);
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turtle.right(90.0);
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}
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// Close outer contour and start drawing holes
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println!("Closing outer contour with pen_up");
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turtle.pen_up();
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// Draw triangular hole in the middle
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println!("Drawing triangular hole...");
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turtle.go_to(vec2(200.0, -120.0));
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turtle.pen_down(); // Start new contour for hole
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for _ in 0..3 {
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turtle.forward(160.0);
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turtle.right(120.0);
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}
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println!("Closing triangle contour with pen_up");
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turtle.pen_up(); // Close triangle hole contour
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// Draw circular hole (top-left) using circle_left
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println!("Drawing circular hole (top-left) with circle_left...");
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turtle.go_to(vec2(100.0, -100.0));
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turtle.pen_down(); // Start new contour for hole
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turtle.circle_left(30.0, 360.0, 36); // radius=30, full circle, 36 steps
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println!("Closing circle contour with pen_up");
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turtle.pen_up(); // Close circle hole contour
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// Draw circular hole (bottom-right) using circle_right
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println!("Drawing circular hole (bottom-right) with circle_right...");
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turtle.go_to(vec2(280.0, -280.0));
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turtle.pen_down(); // Start new contour for hole
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turtle.circle_right(40.0, 360.0, 36); // radius=40, full circle, 36 steps
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println!("Closing circle contour with pen_up");
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turtle.pen_up(); // Close circle hole contour
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// End fill - Lyon will automatically create holes!
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println!("Calling end_fill - Lyon should create holes now!");
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turtle.end_fill();
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// Set animation speed
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turtle.set_speed(300);
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println!("Building and executing turtle plan...");
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}
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