restructure

1 files changed, 0 insertions, 304 deletions

diff --git a/face_culling/face_culling.c b/face_culling/face_culling.c
deleted file mode 100644
index 01c2325..0000000
--- a/face_culling/face_culling.c
+++ /dev/null
@@ -1,304 +0,0 @@
-#include "GL/glew.h"
-#include "GLFW/glfw3.h"
-
-#include "pwyazh.h"
-
-#include "common.h"
-
-#include <unistd.h>
-
-#define WIDTH 1280
-#define HEIGHT 720
-
-static V3F camera_pos;
-static F32 dt;
-static Input input;
-
-void
-key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
-{
-    switch (action)
-    {
-        case GLFW_PRESS: {
-            switch (key)
-            {
-                case GLFW_KEY_D: {
-                    input.move_right.state = KeyState_PRESS;
-                } break;
-                case GLFW_KEY_W: {
-                    input.move_forward.state = KeyState_PRESS;
-                } break;
-                case GLFW_KEY_A: {
-                    input.move_left.state = KeyState_PRESS;
-                } break;
-                case GLFW_KEY_S: {
-                    input.move_backward.state = KeyState_PRESS;
-                } break;
-                case GLFW_KEY_E: {
-                    input.move_up.state = KeyState_PRESS;
-                } break;
-                case GLFW_KEY_Q: {
-                    input.move_down.state = KeyState_PRESS;
-                } break;
-            }
-        } break;
-
-        case GLFW_RELEASE: {
-            switch (key)
-            {
-                case GLFW_KEY_D: {
-                    input.move_right.state = KeyState_RELEASE;
-                } break;
-                case GLFW_KEY_W: {
-                    input.move_forward.state = KeyState_RELEASE;
-                } break;
-                case GLFW_KEY_A: {
-                    input.move_left.state = KeyState_RELEASE;
-                } break;
-                case GLFW_KEY_S: {
-                    input.move_backward.state = KeyState_RELEASE;
-                } break;
-                case GLFW_KEY_E: {
-                    input.move_up.state = KeyState_RELEASE;
-                } break;
-                case GLFW_KEY_Q: {
-                    input.move_down.state = KeyState_RELEASE;
-                } break;
-            }
-        } break;
-    }
-}
-
-int
-main(void)
-{
-    GLFWwindow *window;
-
-    if (glfwInit() == GLFW_FALSE)
-    {
-        fprintf(stderr, "[ERROR] Failed to initialize glfw.\n");
-        return(1);
-    }
-
-    glfwWindowHint(GLFW_RESIZABLE, 0);
-    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
-    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-    window = glfwCreateWindow(WIDTH, HEIGHT, "depth testing", 0, 0);
-    if (!window)
-    {
-        fprintf(stderr, "[ERROR] Failed to create window.\n");
-        glfwTerminate();
-        return(1);
-    }
-
-    glfwMakeContextCurrent(window);
-
-    glfwSetKeyCallback(window, key_callback);
-
-    if (glewInit() != GLEW_OK)
-    {
-        fprintf(stderr, "[ERROR] Failed to initialize glew.\n");
-        glfwTerminate();
-        return(1);
-    }
-
-    glEnable(GL_DEPTH_TEST);
-    glEnable(GL_CULL_FACE);
-    glFrontFace(GL_CW);
-    glCullFace(GL_BACK);
-
-    U32 shader = create_shader_program("shaders/face_culling.vs", "shaders/face_culling.fs");
-
-    U32 grid_texture = load_texture("../data/textures/grid.png");
-
-    F32 a = 0.5f;
-    /* NOTE(pryazha): Counter-clockwise order */
-    F32 cube_vertices_ccw[] = {
-        /* NOTE(pryazha): Back face */
-         a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a, -a,  1.0f, 1.0f, /* top-right */
-         a,  a, -a,  0.0f, 1.0f, /* top-left */
-         a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a, -a, -a,  1.0f, 0.0f, /* bottom-right */
-        -a,  a, -a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Front face */
-        -a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a,  a,  1.0f, 1.0f, /* top-right */
-        -a,  a,  a,  0.0f, 1.0f, /* top-left */
-        -a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a, -a,  a,  1.0f, 0.0f, /* bottom-right */
-         a,  a,  a,  1.0f, 1.0f, /* top-right */
-         
-         /* NOTE(pryazha): Left face */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a,  a,  1.0f, 1.0f, /* top-right */
-        -a,  a, -a,  0.0f, 1.0f, /* top-left */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a, -a,  a,  1.0f, 0.0f, /* bottom-right */
-        -a,  a,  a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Right face */
-         a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-         a,  a,  a,  0.0f, 1.0f, /* top-left */
-         a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a, -a, -a,  1.0f, 0.0f, /* bottom-right */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Top face */
-        -a,  a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-        -a,  a, -a,  0.0f, 1.0f, /* top-left */
-        -a,  a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a,  a,  1.0f, 0.0f, /* bottom-right */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Bottom face */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-         a, -a,  a,  1.0f, 1.0f, /* top-right */
-        -a, -a,  a,  0.0f, 1.0f, /* top-left */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-         a, -a, -a,  1.0f, 0.0f, /* bottom-right */
-         a, -a,  a,  1.0f, 1.0f, /* top-right */
-    };
-
-    F32 cube_vertices_cw[] = {
-        /* NOTE(pryazha): Back face */
-         a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a, -a,  1.0f, 1.0f, /* top-right */
-        -a, -a, -a,  1.0f, 0.0f, /* bottom-right */
-         a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-         a,  a, -a,  0.0f, 1.0f, /* top-left */
-        -a,  a, -a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Front face */
-        -a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a,  a,  1.0f, 1.0f, /* top-right */
-         a, -a,  a,  1.0f, 0.0f, /* bottom-right */
-        -a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a,  a,  0.0f, 1.0f, /* top-left */
-         a,  a,  a,  1.0f, 1.0f, /* top-right */
-         
-         /* NOTE(pryazha): Left face */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a,  a,  1.0f, 1.0f, /* top-right */
-        -a, -a,  a,  1.0f, 0.0f, /* bottom-right */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a, -a,  0.0f, 1.0f, /* top-left */
-        -a,  a,  a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Right face */
-         a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-         a, -a, -a,  1.0f, 0.0f, /* bottom-right */
-         a, -a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a,  a,  0.0f, 1.0f, /* top-left */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Top face */
-        -a,  a,  a,  0.0f, 0.0f, /* bottom-left */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-         a,  a,  a,  1.0f, 0.0f, /* bottom-right */
-        -a,  a,  a,  0.0f, 0.0f, /* bottom-left */
-        -a,  a, -a,  0.0f, 1.0f, /* top-left */
-         a,  a, -a,  1.0f, 1.0f, /* top-right */
-
-         /* NOTE(pryazha): Bottom face */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-         a, -a,  a,  1.0f, 1.0f, /* top-right */
-         a, -a, -a,  1.0f, 0.0f, /* bottom-right */
-        -a, -a, -a,  0.0f, 0.0f, /* bottom-left */
-        -a, -a,  a,  0.0f, 1.0f, /* top-left */
-         a, -a,  a,  1.0f, 1.0f, /* top-right */
-    };
-
-    U32 cube_vao, vbo;
-    glGenVertexArrays(1, &cube_vao);
-    glBindVertexArray(cube_vao);
-    glGenBuffers(1, &vbo);
-    glBindBuffer(GL_ARRAY_BUFFER, vbo);
-    glBufferData(GL_ARRAY_BUFFER, sizeof(cube_vertices_cw), cube_vertices_cw, GL_STATIC_DRAW);
-    glEnableVertexAttribArray(0);
-    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5*sizeof(F32), (void *)0);
-    glEnableVertexAttribArray(1);
-    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5*sizeof(F32), (void *)(3*sizeof(F32)));
-    glBindVertexArray(0);
-
-    Transform cube_transform = transform_default();
-
-    F32 target_fps = 60.0f;
-    F32 target_spf = 1.0f/target_fps;
-    camera_pos = v3f(0.0f, 1.0f, 3.0f);
-
-    F32 last_time = glfwGetTime();
-
-    F32 d_angle = 45.0f;
-
-    while (!glfwWindowShouldClose(window))
-    {
-        glfwPollEvents();
-
-        /* INFO(pryazha): update */
-        V3F left, up, forward;
-        V3F world_up = v3f(0.0f, 1.0f, 0.0f);
-
-        forward = v3f_norm(v3f_sub(v3f(0.0f, 0.0f, 0.0f), camera_pos));
-        left = v3f_norm(v3f_cross(world_up, forward));
-        up = v3f_cross(forward, left);
-
-        V3F dp = v3f_zero();
-        F32 speed = 2.0f;
-        if (key_is_pressed(input.move_right))
-            dp = v3f_add(dp, v3f_scalef(left, -speed*dt));
-        if (key_is_pressed(input.move_forward))
-            dp = v3f_add(dp, v3f_scalef(forward, speed*dt));
-        if (key_is_pressed(input.move_left))
-            dp = v3f_add(dp, v3f_scalef(left, speed*dt));
-        if (key_is_pressed(input.move_backward))
-            dp = v3f_add(dp, v3f_scalef(forward, -speed*dt));
-        if (key_is_pressed(input.move_up))
-            dp = v3f_add(dp, v3f_scalef(up, speed*dt));
-        if (key_is_pressed(input.move_down))
-            dp = v3f_add(dp, v3f_scalef(up, -speed*dt));
-
-        input_update_last_state(&input);
-
-        camera_pos = v3f_add(camera_pos, dp);
-
-        /* INFO(pryazha): Render */
-        glClearColor(0.15f, 0.15f, 0.15f, 1.0f);
-        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-        MAT4 model, view, projection;
-        cube_transform = transform_rotate(cube_transform, v3f(0.0f, d_angle*dt, 0.0f));
-        model = transform_apply(cube_transform);
-        view = look_at(camera_pos, v3f(0.0f, 0.0f, 0.0f), v3f(0.0f, 1.0f, 0.0f));
-        projection = perspective(90.0f, (F32)WIDTH/(F32)HEIGHT, 0.1f, 100.0f);
-
-        glUseProgram(shader);
-        glBindTexture(GL_TEXTURE_2D, grid_texture);
-        shader_set_mat4fv(shader, "model", model);
-        shader_set_mat4fv(shader, "view", view);
-        shader_set_mat4fv(shader, "projection", projection);
-        glBindVertexArray(cube_vao);
-        glDrawArrays(GL_TRIANGLES, 0, 36);
-
-        glfwSwapBuffers(window);
-
-        F32 elapsed = glfwGetTime()-last_time;
-        if (elapsed < target_spf) {
-            U32 sleep_time = (U32)(target_spf-elapsed);
-            if (sleep_time > 0) {
-                sleep(sleep_time);
-            }
-        }
-        F32 current_time = glfwGetTime();
-        dt = current_time-last_time;
-        last_time = current_time;
-    }
-
-    glfwTerminate();
-    return(0);
-}