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GraphEdit: Improve dotted pattern grid performance

This commit is contained in:
Zae 2024-09-12 23:58:42 +08:00
parent 83d54ab2ad
commit 84102af090
1 changed files with 24 additions and 14 deletions
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38
scene/gui/graph_edit.cpp
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@ -1646,24 +1646,34 @@ void GraphEdit::_draw_grid() {
Color transparent_grid_minor = theme_cache.grid_minor;
transparent_grid_minor.a *= CLAMP(1.0 * (zoom - 0.4), 0, 1);
for (int i = from_pos.x; i < from_pos.x + len.x; i++) {
for (int j = from_pos.y; j < from_pos.y + len.y; j++) {
Color color = transparent_grid_minor;
// Minor dots.
if (transparent_grid_minor.a != 0) {
for (int i = from_pos.x; i < from_pos.x + len.x; i++) {
for (int j = from_pos.y; j < from_pos.y + len.y; j++) {
if (ABS(i) % GRID_MINOR_STEPS_PER_MAJOR_DOT == 0 && ABS(j) % GRID_MINOR_STEPS_PER_MAJOR_DOT == 0) {
continue;
}
if (ABS(i) % GRID_MINOR_STEPS_PER_MAJOR_DOT == 0 && ABS(j) % GRID_MINOR_STEPS_PER_MAJOR_DOT == 0) {
color = theme_cache.grid_major;
float base_offset_x = i * snapping_distance * zoom - offset.x * zoom;
float base_offset_y = j * snapping_distance * zoom - offset.y * zoom;
draw_rect(Rect2(base_offset_x - 1, base_offset_y - 1, 3, 3), transparent_grid_minor);
}
if (color.a == 0) {
continue;
}
float base_offset_x = i * snapping_distance * zoom - offset.x * zoom;
float base_offset_y = j * snapping_distance * zoom - offset.y * zoom;
draw_rect(Rect2(base_offset_x - 1, base_offset_y - 1, 3, 3), color);
}
}
// Major dots.
if (theme_cache.grid_major.a != 0) {
for (int i = from_pos.x - from_pos.x % GRID_MINOR_STEPS_PER_MAJOR_DOT; i < from_pos.x + len.x; i += GRID_MINOR_STEPS_PER_MAJOR_DOT) {
for (int j = from_pos.y - from_pos.y % GRID_MINOR_STEPS_PER_MAJOR_DOT; j < from_pos.y + len.y; j += GRID_MINOR_STEPS_PER_MAJOR_DOT) {
float base_offset_x = i * snapping_distance * zoom - offset.x * zoom;
float base_offset_y = j * snapping_distance * zoom - offset.y * zoom;
draw_rect(Rect2(base_offset_x - 1, base_offset_y - 1, 3, 3), theme_cache.grid_major);
}
}
}
} break;
}
}