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Add bounding box for selected entity

master
John Montagu, the 4th Earl of Sandvich 2026-03-01 12:17:53 -08:00
parent c02cb4ca20
commit cdd9a7e353
Signed by: sandvich
GPG Key ID: 9A39BE37E602B22D
1 changed files with 13 additions and 8 deletions
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19
as4/as4.cpp
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@ -20,7 +20,7 @@
#define SKYBOX_IMPLEMENTATION
#include "skybox.hpp"
void DrawBoundedModel(raylib::Model &model, auto transformer) {
void DrawBoundedModel(raylib::Model &model, bool drawBoundingBox, auto transformer) {
// store the original transform to apply a different transform to the
// model without affecting the next time we draw
raylib::Matrix oldTransform = model.GetTransform();
@ -40,7 +40,9 @@ void DrawBoundedModel(raylib::Model &model, auto transformer) {
auto box = model.GetTransformedBoundingBox();
// draw the bounding box of the model using raylib's built in function
if (drawBoundingBox) {
DrawBoundingBox(box, raylib::Color::White());
}
// restore the model's transform to its original state so that the next time we
// draw the model, it doesn't have the previous transform applied to it
@ -110,11 +112,11 @@ int main() {
std::vector<Entity> entities;
Entity &ePenguin = entities.emplace_back();
ePenguin.model = &penguin;
Entity &p1 = entities.emplace_back();
p1.model = &penguin;
Entity &eEagle = entities.emplace_back();
eEagle.model = &eagle;
Entity &p2 = entities.emplace_back();
p2.model = &penguin;
// penguin physics
raylib::Vector3 position = { 0, 0, 0 };
@ -201,10 +203,13 @@ int main() {
ground.Draw({ 0, 0, 0 }, 1.0f, raylib::Color::White());
for (Entity &e : entities) {
for (size_t i = 0; i < entities.size(); ++i) {
Entity &e = entities[i];
e.position += from_magnitude_and_heading(e.speed, e.heading) * dt;
DrawBoundedModel(*e.model, [&e](raylib::Matrix transform) {
bool drawBox = (int)i == selectedIdx;
DrawBoundedModel(*e.model, drawBox, [&e](raylib::Matrix transform) {
return transform
.RotateY(e.heading)
.Scale(40, 40, 40)