From 4a5ac87e506797a67a95dba8276d11d99771ee4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20=C5=A0toura=C4=8D?= <525032@mail.muni.cz>
Date: Sat, 15 Apr 2023 22:42:46 +0200
Subject: [PATCH] multiple shaders and objects(vector of shared_ptr)
---
data/shaders/basicshader.frag | 5 +-
src/gfx/include/gfx/object.hpp | 12 ++++-
src/gfx/include/gfx/render.hpp | 13 +++--
src/gfx/src/obj_control.cpp | 2 +-
src/gfx/src/object.cpp | 5 +-
src/gfx/src/render.cpp | 66 ++++++++++++++++---------
src/studio/include/studio/simulator.hpp | 18 +++++--
src/studio/src/simulator.cpp | 25 ++++++----
8 files changed, 101 insertions(+), 45 deletions(-)
diff --git a/data/shaders/basicshader.frag b/data/shaders/basicshader.frag
index 75c6387..bb1304f 100644
--- a/data/shaders/basicshader.frag
+++ b/data/shaders/basicshader.frag
@@ -1,6 +1,9 @@
#version 330 core
layout(location = 0) out vec4 FragColor;
+
+uniform vec3 objectColor;
+
void main()
{
- FragColor = vec4(1.0f, 0.5f, 0.2f, 1.0f);
+ FragColor = vec4(objectColor, 1.0f);
}
diff --git a/src/gfx/include/gfx/object.hpp b/src/gfx/include/gfx/object.hpp
index ffa7b93..fa41958 100644
--- a/src/gfx/include/gfx/object.hpp
+++ b/src/gfx/include/gfx/object.hpp
@@ -22,12 +22,16 @@ class Object
VBO _VBO_normal;
EBO _EBO;
+ glm::vec3 color = glm::vec3(1.0f, 0.5f, 0.31f);
+ bool light = false;
+
bool buffer_object();
public:
Object(std::vector<float> const &_vertices,
std::vector<unsigned int> const &_indices,
- std::vector<float> const &_normals);
+ std::vector<float> const &_normals,
+ glm::vec3 _color = glm::vec3(1.0f, 0.5f, 0.31f));
std::vector<float> const &getVertices() const { return vertices; }
void setVertices(std::vector<float> const &new_vertices) { vertices = new_vertices; }
@@ -39,6 +43,12 @@ public:
void setNormals(std::vector<float> const &new_normals) { normals = new_normals; }
VAO &getVAO() { return _VAO; }
+
+ bool is_lit() const { return !light; }
+ void setToLight(bool b) { light = b; }
+
+ glm::vec3 getColor() const { return color; }
+ void setColor(glm::vec3 _color) { color = _color; }
};
#endif
\ No newline at end of file
diff --git a/src/gfx/include/gfx/render.hpp b/src/gfx/include/gfx/render.hpp
index 184b375..a974235 100644
--- a/src/gfx/include/gfx/render.hpp
+++ b/src/gfx/include/gfx/render.hpp
@@ -11,10 +11,15 @@
#include <iostream>
#include <vector>
+using object_ptr = std::shared_ptr<Object>;
+using frame_ptr = std::shared_ptr<Frame>;
+using obj_control_ptr = std::shared_ptr<ObjectController>;
+using shader_ptr = std::shared_ptr<Shader>;
+
void send_matrices_to_shader(Shader &myShader, glm::mat4 &model, glm::mat4 &view, glm::mat4 &projection);
-void gfx_draw(Shader &myShader,
- Camera &camera, Object &object,
- Frame &cam_frame, Frame &obj_frame,
- CameraController &cam_control, ObjectController &obj_control);
+void gfx_draw(std::vector<shader_ptr> &myShaders,
+ Camera &camera, std::vector<object_ptr> &objects,
+ Frame &cam_frame, std::vector<frame_ptr> &obj_frames,
+ CameraController &cam_control, std::vector<obj_control_ptr> &obj_controls);
#endif
\ No newline at end of file
diff --git a/src/gfx/src/obj_control.cpp b/src/gfx/src/obj_control.cpp
index 16ef9f4..d167cea 100644
--- a/src/gfx/src/obj_control.cpp
+++ b/src/gfx/src/obj_control.cpp
@@ -2,5 +2,5 @@
void ObjectController::setFrontVec() // temporary implementation
{
- //frontVec = glm::vec3(0.0f, 0.0f, -1.0f);
+ frontVec = glm::vec3(0.0f, 0.0f, -1.0f);
}
\ No newline at end of file
diff --git a/src/gfx/src/object.cpp b/src/gfx/src/object.cpp
index ae0e6fe..db3f855 100644
--- a/src/gfx/src/object.cpp
+++ b/src/gfx/src/object.cpp
@@ -3,8 +3,9 @@
Object::Object(std::vector<float> const &_vertices,
std::vector<unsigned int> const &_indices,
- std::vector<float> const &_normals)
- : vertices{_vertices}, indices{_indices}, normals{_normals}
+ std::vector<float> const &_normals,
+ glm::vec3 _color)
+ : vertices{_vertices}, indices{_indices}, normals{_normals}, color{_color}
{
buffer_object();
}
diff --git a/src/gfx/src/render.cpp b/src/gfx/src/render.cpp
index e2967cc..4a32f06 100644
--- a/src/gfx/src/render.cpp
+++ b/src/gfx/src/render.cpp
@@ -69,21 +69,21 @@ void send_matrices_to_shader(Shader &myShader, glm::mat4 &model, glm::mat4 &view
ASSUMPTION(glGetError() == GL_NO_ERROR);
}
-void gfx_draw(Shader &myShader,
- Camera &camera, Object &object,
- Frame &cam_frame, Frame &obj_frame,
- CameraController &cam_control, ObjectController &obj_control)
+void gfx_draw(std::vector<shader_ptr> &myShaders,
+ Camera &camera, std::vector<object_ptr> &objects,
+ Frame &cam_frame, std::vector<frame_ptr> &obj_frames,
+ CameraController &cam_control, std::vector<obj_control_ptr> &obj_controls)
{
glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
ASSUMPTION(glGetError() == GL_NO_ERROR);
- Frame lightPos(glm::vec3(1.2f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f));
+ Frame lightPos(glm::vec3(1.2f, 2.0f, 2.0f));
- myShader.use();
- myShader.setVec3("objectColor", glm::vec3(1.0f, 0.5f, 0.31f));
- myShader.setVec3("lightColor", glm::vec3(1.0f, 1.0f, 1.0f));
- myShader.setVec3("lightPos", lightPos.getPosition());
+ // myShader.use();
+ // myShader.setVec3("objectColor", glm::vec3(1.0f, 0.5f, 0.31f));
+ // myShader.setVec3("lightColor", glm::vec3(1.0f, 1.0f, 1.0f));
+ // myShader.setVec3("lightPos", lightPos.getPosition());
/* -------------------- Transformation examples --------------------*/
@@ -101,9 +101,6 @@ void gfx_draw(Shader &myShader,
// glm::vec3(0.0f, 1.0f, 0.0f));
/* ---------------------------------------------------------------- */
- // DRAW CUBE
- glm::mat4 model = obj_frame.getModelMat();
-
glm::mat4 view;
view = glm::lookAt(cam_frame.getPosition(), cam_frame.getPosition() + cam_control.getFrontVec(), cam_control.getUpVec());
@@ -113,31 +110,54 @@ void gfx_draw(Shader &myShader,
0.1f,
100.0f);
- send_matrices_to_shader(myShader, model, view, projection);
-
glEnable(GL_DEPTH_TEST);
ASSUMPTION(glGetError() == GL_NO_ERROR);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
ASSUMPTION(glGetError() == GL_NO_ERROR);
- object.getVAO().Bind();
- //glDrawArrays(GL_TRIANGLES, 0, 3);
- glDrawElements(GL_TRIANGLES,
- static_cast<GLsizei>(object.getIndices().size()),
- GL_UNSIGNED_INT,
- 0);
- ASSUMPTION(glGetError() == GL_NO_ERROR);
+ // DRAW OBJECTS
+ for (std::size_t i = 0; i < objects.size(); ++i)
+ {
+ std::size_t shader_idx;
+ if (objects[i]->is_lit())
+ {
+ myShaders[0]->use();
+ myShaders[0]->setVec3("lightColor", glm::vec3(1.0f, 1.0f, 1.0f));
+ myShaders[0]->setVec3("lightPos", lightPos.getPosition());
+ shader_idx = 0;
+ }
+ else
+ {
+ myShaders[1]->use();
+ shader_idx = 1;
+ }
+ myShaders[shader_idx]->setVec3("objectColor", objects[i]->getColor());
+
+
+ glm::mat4 model = obj_frames[i]->getModelMat();
+
+ send_matrices_to_shader(*myShaders[shader_idx], model, view, projection);
+
+ objects[i]->getVAO().Bind();
+ //glDrawArrays(GL_TRIANGLES, 0, 3);
+ glDrawElements(GL_TRIANGLES,
+ static_cast<GLsizei>(objects[i]->getIndices().size()),
+ GL_UNSIGNED_INT,
+ 0);
+ ASSUMPTION(glGetError() == GL_NO_ERROR);
+ }
// DRAW GRID
int span = 100;
Object grid(generate_grid_vertices(span), generate_grid_indices(span), grid_normals);
Frame grid_frame({0, 0, 0});
- myShader.setVec3("objectColor", glm::vec3(0.5f, 0.5f, 0.5f));
+ myShaders[1]->use();
+ myShaders[1]->setVec3("objectColor", glm::vec3(0.5f, 0.5f, 0.5f));
glm::mat4 grid_model = grid_frame.getModelMat() * grid_frame.getRotationMat();
- send_matrices_to_shader(myShader, grid_model, view, projection);
+ send_matrices_to_shader(*myShaders[0], grid_model, view, projection);
grid.getVAO().Bind();
glDrawElements(GL_LINES,
diff --git a/src/studio/include/studio/simulator.hpp b/src/studio/include/studio/simulator.hpp
index 2ce0e94..aa52ad4 100644
--- a/src/studio/include/studio/simulator.hpp
+++ b/src/studio/include/studio/simulator.hpp
@@ -20,9 +20,16 @@
#include <gfx/shader.hpp>
#include <gfx/render.hpp>
#include <iostream>
+#include <memory>
+#include <vector>
namespace studio {
+using object_ptr = std::shared_ptr<Object>;
+using frame_ptr = std::shared_ptr<Frame>;
+using obj_control_ptr = std::shared_ptr<ObjectController>;
+using shader_ptr = std::shared_ptr<Shader>;
+
struct Simulator : public osi::Simulator
{
Simulator();
@@ -35,15 +42,18 @@ struct Simulator : public osi::Simulator
private:
Camera camera;
- Object object; // TO DO: vector of objects
+ // Object object; // TO DO: vector of objects
+ std::vector<object_ptr> objects;
Frame cam_frame;
- Frame obj_frame;
+ // Frame obj_frame;
+ std::vector<frame_ptr> obj_frames;
CameraController cam_control;
- ObjectController obj_control;
+ // ObjectController obj_control;
+ std::vector<obj_control_ptr> obj_controls;
- Shader myShader;
+ std::vector<shader_ptr> myShaders;
};
}
diff --git a/src/studio/src/simulator.cpp b/src/studio/src/simulator.cpp
index 3207ddd..f74a079 100644
--- a/src/studio/src/simulator.cpp
+++ b/src/studio/src/simulator.cpp
@@ -95,10 +95,13 @@ std::vector<float> getnormals(std::vector<unsigned int> &indices, std::vector<fl
Simulator::Simulator()
: osi::Simulator()
// camera frame, object frame, camera, object
- , myShader{"./data/shaders/lightshader.vert",
- "./data/shaders/lightshader.frag"}
+ , myShaders{std::make_shared<Shader>("./data/shaders/lightshader.vert",
+ "./data/shaders/lightshader.frag"),
+ std::make_shared<Shader>("./data/shaders/basicshader.vert",
+ "./data/shaders/basicshader.frag")}
, camera{60.0f}
- , object{lit_cube_vertices, lit_cube_indices, lit_cube_normals}
+ , objects{std::make_shared<Object>(lit_cube_vertices, lit_cube_indices, lit_cube_normals),
+ std::make_shared<Object>(lit_cube_vertices, lit_cube_indices, lit_cube_normals, glm::vec3(1.0f, 1.0f, 1.0f))}
// , object{{
// 0, 0, 0, 1, -0.2f, 0, 1, 0.2f, 0,
// 0, 0, 0, -0.2f, 2, 0, 0.2f, 2, 0,
@@ -115,11 +118,14 @@ Simulator::Simulator()
// 0, 1, 0, 0, 1, 0, 0, 1, 0
// }
// }
- , cam_frame{{0.0f, 0.0f, 3.0f}, {0.0f, -90.0f, 0.0f}} // Setting camera rotation currently does nothing
- , obj_frame{{ 0.0f, 0.0f, 0.0f }}
+ , cam_frame{{0.0f, 1.0f, 6.0f}, {0.0f, -90.0f, 0.0f}} // Setting camera rotation currently does nothing
+ , obj_frames{std::make_shared<Frame>(glm::vec3(0.0f, 0.0f, 0.0f )),
+ std::make_shared<Frame>(glm::vec3(1.2f, 2.0f, 2.0f ))}
, cam_control{cam_frame}
- , obj_control{obj_frame}
+ , obj_controls{std::make_shared<ObjectController>(*obj_frames[0]),
+ std::make_shared<ObjectController>(*obj_frames[1])}
{
+ objects[1]->setToLight(true);
camera.setWindowSize(window().size());
//obj_control.rotate(glm::vec3(0.0f, 50.0f, 0.0f));
}
@@ -149,9 +155,10 @@ void Simulator::present()
camera.setWindowSize(window().size());
}
- gfx_draw(myShader, camera, object, cam_frame, obj_frame, cam_control, obj_control);
+ gfx_draw(myShaders, camera, objects, cam_frame, obj_frames, cam_control, obj_controls);
}
+// Object movement now works only for the first input object
void Simulator::process_input()
{
if (!window().has_keyboard_focus())
@@ -159,8 +166,8 @@ void Simulator::process_input()
if (keyboard().down().contains("O"))
{
- obj_control.setStep(timer().dt());
- obj_control.move(keyboard().down());
+ obj_controls[0]->setStep(timer().dt());
+ obj_controls[0]->move(keyboard().down());
}
else
{
--
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