3d camera test render setup.

compile_linux.sh

@@ -53,6 +53,7 @@ ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/obje
 ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/sprite.cpp -o sfw/application/sprite.o
 ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/tile_map.cpp -o sfw/application/tile_map.o
 ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/texture.cpp -o sfw/application/texture.o
+ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/mesh_utils.cpp -o sfw/application/mesh_utils.o
 
 ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c game_scene.cpp -o game_scene.o
 ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c main.cpp -o main.o
@@ -67,6 +68,7 @@ ccache g++ -Wall -lm -ldl -lpthread -lX11  -D_REENTRANT -g sfw/aabb.o sfw/basis.
                         sfw/application/shader.o sfw/application/material.o sfw/application/mesh.o \
                         sfw/application/camera.o sfw/application/mesh_instance.o sfw/application/object_2d.o \
                         sfw/application/sprite.o sfw/application/tile_map.o sfw/application/texture.o \
+                        sfw/application/mesh_utils.o \
                         game_scene.o main.o \
                          -o game 
 

game_scene.cpp

@@ -4,6 +4,7 @@
 
 #include "3rd_glad.h"
 #include "memory.h"
+#include "mesh_utils.h"
 
 void GameScene::event() {
 	/*
@@ -98,6 +99,12 @@ void GameScene::render() {
 	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 	glClear(GL_COLOR_BUFFER_BIT);
 
+	static float rot = 0;
+
+	camera->camera_transform.basis = Basis(Vector3(0, 1, 0), rot);
+
+	rot += 0.01;
+
 	camera->bind();
 
 	//tile_map->render();
@@ -105,9 +112,10 @@ void GameScene::render() {
 	//sprite->render();
 
 	//material->bind();
-	//mesh->render();
+	color_material->bind();
+	mesh->render();
 
-	sprite->render();
+	//sprite->render();
 }
 
 GameScene::GameScene() {
@@ -125,23 +133,23 @@ GameScene::GameScene() {
 	//float ar = static_cast<float>(w) / static_cast<float>(h);
 	//camera->width = camera->height * ar;
 
-	texture = new Texture();
-	texture->load_image("icon.png");
+	//texture = new Texture();
+	//texture->load_image("icon.png");
 	//ha a textúrának van alpha csatornája:
 	//texture->load_image("download.bmp", GL_RGBA, GL_RGBA);
 
-	material = new TextureMaterial();
-	material->texture = texture;
+	//material = new TextureMaterial();
+	//material->texture = texture;
 
-	sprite = new Sprite();
-	sprite->mesh_instance->material = material;
+	//sprite = new Sprite();
+	//sprite->mesh_instance->material = material;
 	//sprite->position.x = 0;
 	//sprite->position.y = 0;
 	//sprite->region_x = 7.0 * (1.0 / 16.0);
 	//sprite->region_y = 7.0 * (1.0 / 16.0);
 	//sprite->region_width = 1.0 / 16.0;
 	//sprite->region_height = 1.0 / 16.0;
-	sprite->update_mesh();
+	//sprite->update_mesh();
 	/*
 	tile_map = new TileMap();
 	tile_map->material = material;
@@ -163,18 +171,24 @@ GameScene::GameScene() {
 	tile_map->build_mesh();
 	*/
 
-	camera = new OrthographicCamera();
+	camera = new PerspectiveCamera();
 	//camera->width = 2;
 	//camera->height = 2;
 	//camera->position.x = 0;
 	//camera->position.y = 0;
 	//camera->position.z = -2;
+	camera->camera_transform.origin.z -= 2;
+	camera->screen_aspect_ratio = 1980.0 / 1080.0;
 
-	mesh = memnew(Mesh(2));
-	cmaterial = memnew(ColoredMaterial());
+	mesh = memnew(Mesh());
+	//cmaterial = memnew(ColoredMaterial());
 	//cmaterial->color = glm::vec4(1, 1, 0, 1);
+	color_material = memnew(ColorMaterial());
 
-	mesh->clear();
+	//mesh->clear();
+
+	MeshUtils::create_cone(mesh);
+	mesh->upload();
 
 	//float width = 1;
 	//float height = 1;
@@ -199,6 +213,7 @@ GameScene::GameScene() {
 	//mesh->add_uv(region_x + region_width, region_y);
 	//mesh->add_vertex2(w2, h2);
 
+	/*
 	mesh->add_vertex2(0, 0.5);
 	mesh->add_vertex2(-0.5, -0.5);
 	mesh->add_vertex2(0.5, -0.5);
@@ -207,6 +222,7 @@ GameScene::GameScene() {
 	//mesh->add_triangle(0, 1, 3);
 
 	mesh->upload();
+	*/
 }
 
 GameScene::~GameScene() {
@@ -214,12 +230,13 @@ GameScene::~GameScene() {
 	delete tile_map;
 	*/
 	memdelete(camera);
-	memdelete(texture);
-	memdelete(material);
+	//memdelete(texture);
+	//memdelete(material);
 
-	memdelete(sprite);
+	//memdelete(sprite);
 
 	memdelete(camera);
 	memdelete(mesh);
-	memdelete(material);
+	//memdelete(material);
+	memdelete(color_material);
 }

game_scene.h

@@ -12,14 +12,13 @@
 #include "tile_map.h"
 */
 
+#include "camera.h"
+#include "color_material.h"
 #include "colored_material.h"
 #include "mesh.h"
-#include "camera.h"
+#include "sprite.h"
 #include "texture.h"
 #include "texture_material.h"
-#include "camera.h"
-#include "sprite.h"
-
 
 class GameScene : public Scene {
 public:
@@ -36,14 +35,18 @@ public:
 	bool down;
 	*/
 
+	/*
 	Texture *texture;
 	TextureMaterial *material;
 	//TileMap *tile_map;
 	Sprite *sprite;
+	*/
 
 	Camera *camera;
 	Mesh *mesh;
-	ColoredMaterial *cmaterial;
+	ColorMaterial *color_material;
+
+	//ColoredMaterial *cmaterial;
 };
 
 #endif

sfw/application/camera.cpp

@@ -28,7 +28,6 @@ Camera *Camera::current_camera = NULL;
 
 void OrthographicCamera::bind() {
 	Camera::bind();
-
 	projection_matrix.set_orthogonal(
 			size,
 			screen_aspect_ratio,

sfw/application/color_material.h

@@ -6,25 +6,27 @@
 #include "camera.h"
 
 class ColorMaterial : public Material {
-
 public:
 	int get_material_id() {
 		return 2;
 	}
 
 	void bind_uniforms() {
-        //glUniformMatrix4fv(projection_matrix_location, 1, GL_FALSE, glm::value_ptr(Camera::current_camera->projection_matrix));
-        //glUniformMatrix4fv(model_view_matrix_location, 1, GL_FALSE, glm::value_ptr(Camera::current_camera->model_view_matrix));
+		set_uniform(projection_matrix_location, Camera::current_camera->projection_matrix);
+		set_uniform(camera_matrix_location, Camera::current_camera->camera_transform);
+		set_uniform(model_view_matrix_location, Camera::current_camera->model_view_matrix);
 	}
 
 	void setup_uniforms() {
 		projection_matrix_location = get_uniform("u_proj_matrix");
+        camera_matrix_location = get_uniform("u_camera_matrix");
 		model_view_matrix_location = get_uniform("u_model_view_matrix");
 	}
 
 	const GLchar **get_vertex_shader_source() {
 		static const GLchar *vertex_shader_source[] = {
 			"uniform mat4 u_proj_matrix;\n"
+			"uniform mat4 u_camera_matrix;\n"
 			"uniform mat4 u_model_view_matrix;\n"
 			"\n"
 			"attribute vec4 a_position;\n"
@@ -34,7 +36,7 @@ public:
 			"\n"
 			"void main() {\n"
 			"   v_color = a_color;\n"
-            "   gl_Position = u_proj_matrix * u_model_view_matrix * a_position;\n"
+			"   gl_Position = u_proj_matrix * u_camera_matrix * u_model_view_matrix * a_position;\n"
 			"}\n"
 		};
 
@@ -53,13 +55,14 @@ public:
 	}
 
 	ColorMaterial() {
-        color = glm::vec4(1, 1, 1, 1);
+		projection_matrix_location = 0;
+		camera_matrix_location = 0;
+		model_view_matrix_location = 0;
 	}
 
 	GLint projection_matrix_location;
+	GLint camera_matrix_location;
 	GLint model_view_matrix_location;
-
-    glm::vec4 color;
 };
 
 #endif