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authorDan Goodliffe <dan@randomdan.homeip.net>2021-01-18 02:08:01 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2021-01-18 02:08:01 +0000
commit627aa88ad2559f41d5be62d36cdbf536a97e4246 (patch)
tree0e98c2e9c39db6ecc88ecf1914af608241d7c18e /application/main.cpp
parentHelpers can be static (diff)
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Factor to support worlds, objects, windows etc
Diffstat (limited to 'application/main.cpp')
-rw-r--r--application/main.cpp65
1 files changed, 41 insertions, 24 deletions
diff --git a/application/main.cpp b/application/main.cpp
index acf3c95..73f337b 100644
--- a/application/main.cpp
+++ b/application/main.cpp
@@ -1,11 +1,14 @@
#include "gfx/window.h"
#include <SDL2/SDL.h>
+#include <chrono>
#include <cmath>
+#include <collection.hpp>
+#include <game/physical.h>
+#include <game/world.h>
+#include <game/worldobject.h>
#include <gfx/gl/camera.h>
#include <gfx/gl/shader.h>
#include <gfx/gl/transform.h>
-#include <gfx/models/mesh.h>
-#include <gfx/models/texture.h>
#include <glm/glm.hpp>
#include <memory>
#include <numbers>
@@ -14,6 +17,22 @@
static const int DISPLAY_WIDTH = 800;
static const int DISPLAY_HEIGHT = 600;
+class Monkey : public WorldObject, public Physical {
+public:
+ Monkey() : Physical {{}, "res/monkey3.obj", "res/bricks.jpg"} { }
+
+ void
+ tick(TickDuration elapsed) override
+ {
+ counter += 0.000625F * elapsed.count();
+ location.GetRot().y = std::numbers::pi_v<double> + sin(counter);
+ location.GetRot().z = 0.3 * cos(counter * 10);
+ }
+
+private:
+ float counter {};
+};
+
class SDL_Application {
public:
SDL_Application()
@@ -38,17 +57,21 @@ public:
void
run()
{
- Window main_window(DISPLAY_WIDTH, DISPLAY_HEIGHT, "OpenGL");
+ Collection<Window> windows;
+ windows.create(DISPLAY_WIDTH, DISPLAY_HEIGHT, "OpenGL");
+
+ World world;
+ world.create<Monkey>();
- Mesh monkey("./res/monkey3.obj");
Shader shader("./res/basicShader");
- Texture texture("./res/bricks.jpg");
- Transform transform;
- Camera camera(glm::vec3(0.0F, 0.0F, -5.0F), 70.0F, (float)DISPLAY_WIDTH / (float)DISPLAY_HEIGHT, 0.1F, 100.0F);
+ Camera camera({0.0F, 0.0F, -5.0F}, 70.0F, (float)DISPLAY_WIDTH / (float)DISPLAY_HEIGHT, 0.1F, 100.0F);
SDL_Event e;
bool isRunning = true;
- float counter = 0.0F;
+
+ auto t_start = std::chrono::high_resolution_clock::now();
+ const auto framelen = std::chrono::milliseconds {1000} / 120;
+
while (isRunning) {
while (SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT) {
@@ -56,25 +79,19 @@ public:
}
}
- main_window.Clear(0.0F, 0.0F, 0.0F, 1.0F);
-
- // float sinCounter = sinf(counter);
- // float absSinCounter = abs(sinCounter);
-
- // transform.GetPos()->x = sinCounter;
- transform.GetRot().y = std::numbers::pi_v<double> + sin(counter);
- transform.GetRot().z = 0.3 * cos(counter * 10);
- // transform.GetScale()->x = absSinCounter;
- // transform.GetScale()->y = absSinCounter;
+ const auto t_end = std::chrono::high_resolution_clock::now();
+ const auto t_passed = std::chrono::duration_cast<std::chrono::milliseconds>(t_end - t_start);
+ world.apply(&WorldObject::tick, t_passed);
+ windows.apply(&Window::Clear, 0.0F, 0.0F, 0.0F, 1.0F);
shader.Bind();
- texture.Bind();
- shader.Update(transform, camera);
- monkey.Draw();
+ world.apply<Physical>(&Physical::render, shader, camera);
+ windows.apply(&Window::SwapBuffers);
- main_window.SwapBuffers();
- SDL_Delay(1);
- counter += 0.01F;
+ if (const auto snz = framelen - t_passed; snz.count() > 0) {
+ SDL_Delay(snz.count());
+ }
+ t_start = t_end;
}
}
};