There is something goes wrong with if let Some(pos) = e.mouse_cursor_args()
ZacRenis opened this issue · 0 comments
ZacRenis commented
/// Handles events.
pub fn event<E: GenericEvent>(&mut self, pos: [f64; 2], size: f64, e: &E) {
use piston::input::{Button, MouseButton};
if let Some(pos) = e.mouse_cursor_args() {
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///////// Did not run here, SOMEBODY can help me? thank you.///////!!!!!!!!!!!
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self.cursor_pos = pos;
}
if let Some(Button::Mouse(MouseButton::Left)) = e.press_args() {
// Find coordinates relative to upper left corner.
let x = self.cursor_pos[0] - pos[0];
let y = self.cursor_pos[1] - pos[1];
// Check that coordinates are inside board boundaries.
if x >= 0.0 && x < size && y >= 0.0 && y < size {
// Compute the cell position.
let cell_x = (x / size * 9.0) as usize;
let cell_y = (y / size * 9.0) as usize;
self.selected_cell = Some([cell_x, cell_y]);
}
}
}