add test model

src/objects/Entities.cpp

@@ -6,21 +6,26 @@
 #include "../physics/PhysicsSolver.hpp"
 #include "../graphics/render/ModelBatch.hpp"
 #include "../graphics/core/Model.hpp"
+#include "../maths/FrustumCulling.hpp"
 
 #include <glm/ext/matrix_transform.hpp>
 
 void Transform::refresh() {
     combined = glm::mat4(1.0f);
     combined = glm::translate(combined, pos);
+    combined = glm::scale(combined, size);
+    combined = combined * glm::mat4(rot);
 }
 
 Entities::Entities(Level* level) : level(level) {
-    auto entity = registry.create();
-    glm::vec3 pos(0.5f, 170, 0.5f);
-    glm::vec3 size(1);
-    registry.emplace<EntityId>(entity, 1);
-    registry.emplace<Transform>(entity, pos, size, glm::mat3(1.0f));
-    registry.emplace<Hitbox>(entity, pos, size/20.0f);
+    for (int i = 0; i < 1000; i++) {
+        auto entity = registry.create();
+        glm::vec3 pos(0.5f+rand()%50, 100+i, 0.5f+rand()%50);
+        glm::vec3 size(1);
+        registry.emplace<EntityId>(entity, 1);
+        registry.emplace<Transform>(entity, pos, size/4.0f, glm::mat3(1.0f));
+        registry.emplace<Hitbox>(entity, pos, size/2.0f);
+    }
 }
 
 void Entities::updatePhysics(float delta){
@@ -37,19 +42,24 @@ void Entities::updatePhysics(float delta){
             true
         );
         transform.pos = hitbox.position;
+        transform.rot = glm::rotate(glm::mat4(transform.rot), delta, glm::vec3(0, 1, 0));
         if (hitbox.grounded) {
-            hitbox.velocity.y = 10;
+            //hitbox.velocity.y = 10;
         }
     }
 }
 
-void Entities::render(Assets* assets, ModelBatch& batch) {
+void Entities::render(Assets* assets, ModelBatch& batch, Frustum& frustum) {
     auto view = registry.view<Transform>();
-    auto model = assets->get<model::Model>("dingus");
+    auto model = assets->get<model::Model>("cube");
     for (auto [entity, transform] : view.each()) {
-        transform.refresh();
-        batch.pushMatrix(transform.combined);
-        batch.draw(model);
-        batch.popMatrix();
+        const auto& pos = transform.pos;
+        const auto& size = transform.size;
+        if (frustum.isBoxVisible(pos-size, pos+size)) {
+            transform.refresh();
+            batch.pushMatrix(transform.combined);
+            batch.draw(model);
+            batch.popMatrix();
+        }
     }
 }