move bboxes
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e31683d2fe
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@ -19,12 +19,18 @@
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namespace fs = std::filesystem;
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void draw(const freling::BoundingBox& box,
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const Vector2& offset,
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const Color& color) {
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Rectangle rect_from_bbox(const freling::BoundingBox& box,
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const Vector2& offset) {
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const Rectangle rect = {offset.x + box.x, offset.y + box.y,
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static_cast<float>(box.width),
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static_cast<float>(box.height)};
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return rect;
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}
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void draw(const freling::BoundingBox& box,
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const Vector2& offset,
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const Color& color) {
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const Rectangle rect = rect_from_bbox(box, offset);
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DrawRectangleRec(rect, ColorAlpha(color, 0.3));
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DrawRectangleLinesEx(rect, 3, color);
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}
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@ -78,7 +84,8 @@ int main(int argc, const char* argv[]) {
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bboxes.push_back(freling::BoundingBox({x, y, w, h}));
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i += 4;
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}
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const std::vector<Color> bbox_colors = {RED, GREEN, BLUE};
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const std::vector<Color> bbox_colors = {RED, GREEN, BLUE,
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YELLOW, ORANGE, PURPLE};
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std::vector<freling::BoundingBox> packed_bboxes;
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Vector2 win_size = {800, 450};
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@ -102,8 +109,36 @@ int main(int argc, const char* argv[]) {
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SetWindowSize(win_size.x, win_size.y);
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const Vector2 b_size = {150, 30};
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Vector2 mouse_pos = {0};
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Vector2 mouse_delta = {0};
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int b_moving_idx = -1;
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while (!WindowShouldClose()) {
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//
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// Update
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//
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mouse_pos = GetMousePosition();
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mouse_delta = GetMouseDelta();
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for (int b = 0, size = bboxes.size(); b < size; ++b) {
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const auto& box = bboxes[b];
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const Rectangle rect = rect_from_bbox(box, in_offset);
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if (CheckCollisionPointRec(mouse_pos, rect) and
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IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
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b_moving_idx = b;
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}
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}
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if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) {
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b_moving_idx = -1;
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}
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if (b_moving_idx != -1) {
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auto& box = bboxes[b_moving_idx];
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box.x += mouse_delta.x;
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box.y += mouse_delta.y;
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}
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//
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// Draw
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//
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BeginDrawing();
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ClearBackground(RAYWHITE);
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@ -150,7 +185,7 @@ int main(int argc, const char* argv[]) {
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int c = 0;
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for (const auto& b : bboxes) {
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const auto& color = bbox_colors[c % bboxes.size()];
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const auto& color = bbox_colors[c % bbox_colors.size()];
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draw(b, in_offset, color);
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++c;
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};
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@ -167,7 +202,7 @@ int main(int argc, const char* argv[]) {
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int c = 0;
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for (const auto& b : packed_bboxes) {
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const auto& color = bbox_colors[c % bboxes.size()];
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const auto& color = bbox_colors[c % bbox_colors.size()];
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draw(b, pack_offset, color);
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++c;
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};
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