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Eyes: Allow constructing an eye-grid

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Because a line of eyes is just not impressive enough.
This does not change any of the default behaviours except breaking the
line of eyes at 13 eyes (the 'sweet spot' for the default resolution)
This commit is contained in:
AnotherTest 2020-07-27 06:19:18 +04:30 • committed by Andreas Kling
parent 9ee1edae2a
commit 2c6a983b34
3 changed files with 50 additions and 12 deletions
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19
Demos/Eyes/EyesWidget.cpp
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@ -57,16 +57,21 @@ void EyesWidget::paint_event(GUI::PaintEvent& event)
painter.clear_rect(event.rect(), Gfx::Color());
for (int i = 0; i < m_num_eyes; i++)
render_eyeball(i, painter);
for (int i = 0; i < m_full_rows; i++) {
for (int j = 0; j < m_eyes_in_row; j++)
render_eyeball(i, j, painter);
}
for (int i = 0; i < m_extra_columns; ++i)
render_eyeball(m_full_rows, i, painter);
}
void EyesWidget::render_eyeball(int index, GUI::Painter& painter) const
void EyesWidget::render_eyeball(int row, int column, GUI::Painter& painter) const
{
auto eye_width = width() / m_num_eyes;
Gfx::IntRect bounds { index * eye_width, 0, eye_width, height() };
auto eye_width = width() / m_eyes_in_row;
auto eye_height = height() / m_num_rows;
Gfx::IntRect bounds { column * eye_width, row * eye_height, eye_width, eye_height };
auto width_thickness = max(int(eye_width / 5.5), 1);
auto height_thickness = max(int(height() / 5.5), 1);
auto height_thickness = max(int(eye_height / 5.5), 1);
bounds.shrink(int(eye_width / 12.5), 0);
painter.fill_ellipse(bounds, palette().base_text());
@ -103,6 +108,7 @@ Gfx::IntPoint EyesWidget::pupil_center(Gfx::IntRect& eyeball_bounds) const
double max_distance_along_this_direction;
// clang-format off
if (dx != 0 && abs(dx) >= abs(dy)) {
double slope = dy / dx;
double slope_squared = slope * slope;
@ -120,6 +126,7 @@ Gfx::IntPoint EyesWidget::pupil_center(Gfx::IntRect& eyeball_bounds) const
} else {
ASSERT_NOT_REACHED();
}
// clang-format on
double scale = min(1.0, max_distance_along_this_direction / mouse_distance);