From 7e06a916e6a385c37075abcb83d14b8c1fef7bc0 Mon Sep 17 00:00:00 2001 From: hachem Date: Tue, 12 Aug 2025 18:41:26 +0200 Subject: feat: camera --- src/core/application.cpp | 149 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 134 insertions(+), 15 deletions(-) (limited to 'src/core/application.cpp') diff --git a/src/core/application.cpp b/src/core/application.cpp index 92bf211..b80ad84 100644 --- a/src/core/application.cpp +++ b/src/core/application.cpp @@ -9,6 +9,7 @@ #include #include #include +#include namespace Donut { @@ -70,14 +71,78 @@ namespace Donut else m_minimized = false; + if (m_camera) + m_camera->set_projection(45.0f, (float)e.get_width() / (float)e.get_height(), 0.1f, 100.0f); + + event.handled = true; + return true; + }); + + dispatcher.dispatch([this, &event](WindowFocusEvent& e) + { + m_first_mouse = true; + m_mouse_dragging = false; + event.handled = true; + return true; + }); + + dispatcher.dispatch([this, &event](WindowLostFocusEvent& e) + { + m_mouse_dragging = false; event.handled = true; return true; }); dispatcher.dispatch([this, &event](KeyPressedEvent& e) { - if (e.get_key_code() == 256) - close(); + m_keys[e.get_key_code()] = true; + return true; + }); + + dispatcher.dispatch([this, &event](KeyReleasedEvent& e) + { + m_keys[e.get_key_code()] = false; + return true; + }); + + dispatcher.dispatch([this, &event](MouseMovedEvent& e) + { + if (!m_mouse_dragging) + return true; + + if (m_first_mouse) + { + m_last_x = e.get_x(); + m_last_y = e.get_y(); + m_first_mouse = false; + } + + float x_offset = m_last_x - e.get_x(); + float y_offset = e.get_y() - m_last_y; + + m_last_x = e.get_x(); + m_last_y = e.get_y(); + + if (m_camera) + m_camera->on_mouse_move(x_offset, y_offset); + + return true; + }); + + dispatcher.dispatch([this, &event](MouseButtonPressedEvent& e) + { + if (e.get_mouse_button() == GLFW_MOUSE_BUTTON_LEFT) + { + m_mouse_dragging = true; + m_first_mouse = true; + } + return true; + }); + + dispatcher.dispatch([this, &event](MouseButtonReleasedEvent& e) + { + if (e.get_mouse_button() == GLFW_MOUSE_BUTTON_LEFT) + m_mouse_dragging = false; return true; }); } @@ -86,14 +151,32 @@ namespace Donut { Renderer::init(); - float vertices[3 * 7] = + m_camera = std::make_unique(45.0f, 1280.0f / 720.0f, 0.1f, 100.0f); + m_camera->set_position({ 0.0f, 0.0f, 3.0f }); + m_camera->set_mouse_sensitivity(0.1f); + m_camera->set_movement_speed(5.0f); + + float vertices[] = { - -0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, - 0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, - 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f + -0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f, 1.0f, + 0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 1.0f, + 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 1.0f, + -0.5f, 0.5f, -0.5f, 1.0f, 1.0f, 0.0f, 1.0f, + -0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 1.0f, 1.0f, + 0.5f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 1.0f, + 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 1.0f, + -0.5f, 0.5f, 0.5f, 1.0f, 1.0f, 1.0f, 1.0f }; - uint32_t indices[3] = { 0, 1, 2 }; + uint32_t indices[] = + { + 0, 1, 2, 2, 3, 0, + 1, 5, 6, 6, 2, 1, + 5, 4, 7, 7, 6, 5, + 4, 0, 3, 3, 7, 4, + 3, 2, 6, 6, 7, 3, + 4, 5, 1, 1, 0, 4 + }; m_vertex_array = std::shared_ptr(VertexArray::create()); m_vertex_buffer = std::shared_ptr(VertexBuffer::create(vertices, sizeof(vertices))); @@ -105,7 +188,7 @@ namespace Donut m_vertex_array->add_vertex_buffer(m_vertex_buffer); - m_index_buffer = std::shared_ptr(IndexBuffer::create(indices, 3)); + m_index_buffer = std::shared_ptr(IndexBuffer::create(indices, 36)); m_vertex_array->set_index_buffer(m_index_buffer); m_shader = std::shared_ptr(Shader::create("assets/basic.glsl")); @@ -118,19 +201,55 @@ namespace Donut void Application::on_update() { + float current_frame = (float)glfwGetTime(); + m_delta_time = current_frame - m_last_frame; + m_last_frame = current_frame; + + if (m_camera) + { + if (m_keys[GLFW_KEY_W]) + m_camera->move_forward(m_delta_time); + if (m_keys[GLFW_KEY_S]) + m_camera->move_backward(m_delta_time); + if (m_keys[GLFW_KEY_A]) + m_camera->move_left(m_delta_time); + if (m_keys[GLFW_KEY_D]) + m_camera->move_right(m_delta_time); + if (m_keys[GLFW_KEY_SPACE]) + m_camera->move_up(m_delta_time); + if (m_keys[GLFW_KEY_LEFT_SHIFT]) + m_camera->move_down(m_delta_time); + } } void Application::on_render() { - Renderer::set_clear_color({ 0.1f, 0.1f, 0.1f, 1.0f }); + Renderer::set_clear_color({ 0.0f, 0.0f, 0.0f, 1.0f }); Renderer::clear(); - Renderer::begin_scene(); - - glm::mat4 view_projection = glm::ortho(-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f); + glm::mat4 view_projection = m_camera ? m_camera->get_view_projection_matrix() : glm::mat4(1.0f); - Renderer::submit(m_shader, m_vertex_array, glm::mat4(1.0f)); - - Renderer::end_scene(); + glm::vec3 center_pos(0.0f, 0.0f, 0.0f); + glm::vec3 right_pos(2.0f, 0.0f, 0.0f); + glm::vec3 left_pos(-2.0f, 0.0f, 0.0f); + glm::vec3 up_pos(0.0f, 2.0f, 0.0f); + glm::vec3 down_pos(0.0f, -2.0f, 0.0f); + glm::vec3 forward_pos(0.0f, 0.0f, 2.0f); + glm::vec3 back_pos(0.0f, 0.0f, -2.0f); + + glm::mat4 transform = glm::translate(glm::mat4(1.0f), center_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); + transform = glm::translate(glm::mat4(1.0f), right_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); + transform = glm::translate(glm::mat4(1.0f), left_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); + transform = glm::translate(glm::mat4(1.0f), up_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); + transform = glm::translate(glm::mat4(1.0f), down_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); + transform = glm::translate(glm::mat4(1.0f), forward_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); + transform = glm::translate(glm::mat4(1.0f), back_pos); + Renderer::submit(m_shader, m_vertex_array, transform, view_projection); } } -- cgit v1.3