diff options
Diffstat (limited to 'skybox')
-rwxr-xr-x | skybox/build.sh | 5 | ||||
-rw-r--r-- | skybox/shaders/cube.fs | 13 | ||||
-rw-r--r-- | skybox/shaders/cube.vs | 17 | ||||
-rw-r--r-- | skybox/shaders/reflection.fs | 17 | ||||
-rw-r--r-- | skybox/shaders/reflection.vs | 19 | ||||
-rw-r--r-- | skybox/shaders/refraction.fs | 18 | ||||
-rw-r--r-- | skybox/shaders/refraction.vs | 19 | ||||
-rw-r--r-- | skybox/shaders/skybox.fs | 13 | ||||
-rw-r--r-- | skybox/shaders/skybox.vs | 16 | ||||
-rw-r--r-- | skybox/skybox.c | 449 |
10 files changed, 0 insertions, 586 deletions
diff --git a/skybox/build.sh b/skybox/build.sh deleted file mode 100755 index 64a00ee..0000000 --- a/skybox/build.sh +++ /dev/null @@ -1,5 +0,0 @@ -#!/bin/sh -. ../config -TARGET='skybox' -set -x -gcc -o $TARGET $CFLAGS $INCLUDE $LFLAGS $TARGET.c $LIBS && ./$TARGET diff --git a/skybox/shaders/cube.fs b/skybox/shaders/cube.fs deleted file mode 100644 index f58c5d3..0000000 --- a/skybox/shaders/cube.fs +++ /dev/null @@ -1,13 +0,0 @@ -#version 330 core - -out vec4 frag_color; - -in vec2 tex_coords; - -uniform sampler2D texture1; - -void -main(void) -{ - frag_color = texture(texture1, tex_coords); -} diff --git a/skybox/shaders/cube.vs b/skybox/shaders/cube.vs deleted file mode 100644 index 3c11932..0000000 --- a/skybox/shaders/cube.vs +++ /dev/null @@ -1,17 +0,0 @@ -#version 330 core - -layout(location = 0) in vec3 apos; -layout(location = 1) in vec2 atex_coords; - -uniform mat4 model; -uniform mat4 view; -uniform mat4 projection; - -out vec2 tex_coords; - -void -main(void) -{ - gl_Position = projection*view*model*vec4(apos, 1.0f); - tex_coords = atex_coords; -} diff --git a/skybox/shaders/reflection.fs b/skybox/shaders/reflection.fs deleted file mode 100644 index 3723ea9..0000000 --- a/skybox/shaders/reflection.fs +++ /dev/null @@ -1,17 +0,0 @@ -#version 330 core - -in vec3 pos; -in vec3 normal; - -out vec4 frag_color; - -uniform vec3 camera_pos; -uniform samplerCube skybox; - -void -main(void) -{ - vec3 i = pos-camera_pos; - vec3 r = reflect(i, normalize(normal)); - frag_color = texture(skybox, r); -} diff --git a/skybox/shaders/reflection.vs b/skybox/shaders/reflection.vs deleted file mode 100644 index 34ad142..0000000 --- a/skybox/shaders/reflection.vs +++ /dev/null @@ -1,19 +0,0 @@ -#version 330 core - -layout(location = 0) in vec3 apos; -layout(location = 1) in vec3 anormal; - -out vec3 pos; -out vec3 normal; - -uniform mat4 model; -uniform mat4 view; -uniform mat4 projection; - -void -main(void) -{ - pos = vec3(model*vec4(apos, 1.0f)); - normal = mat3(transpose(inverse(model)))*anormal; - gl_Position = projection*view*model*vec4(apos, 1.0f); -} diff --git a/skybox/shaders/refraction.fs b/skybox/shaders/refraction.fs deleted file mode 100644 index 8a8a8c5..0000000 --- a/skybox/shaders/refraction.fs +++ /dev/null @@ -1,18 +0,0 @@ -#version 330 core - -in vec3 pos; -in vec3 normal; - -out vec4 frag_color; - -uniform vec3 camera_pos; -uniform samplerCube skybox; - -void -main(void) -{ - float ratio = 1.0f/1.52f; - vec3 i = pos-camera_pos; - vec3 r = refract(i, normalize(normal), ratio); - frag_color = texture(skybox, r); -} diff --git a/skybox/shaders/refraction.vs b/skybox/shaders/refraction.vs deleted file mode 100644 index 34ad142..0000000 --- a/skybox/shaders/refraction.vs +++ /dev/null @@ -1,19 +0,0 @@ -#version 330 core - -layout(location = 0) in vec3 apos; -layout(location = 1) in vec3 anormal; - -out vec3 pos; -out vec3 normal; - -uniform mat4 model; -uniform mat4 view; -uniform mat4 projection; - -void -main(void) -{ - pos = vec3(model*vec4(apos, 1.0f)); - normal = mat3(transpose(inverse(model)))*anormal; - gl_Position = projection*view*model*vec4(apos, 1.0f); -} diff --git a/skybox/shaders/skybox.fs b/skybox/shaders/skybox.fs deleted file mode 100644 index bf69c8b..0000000 --- a/skybox/shaders/skybox.fs +++ /dev/null @@ -1,13 +0,0 @@ -#version 330 core - -in vec3 tex_coords; - -out vec4 frag_color; - -uniform samplerCube skybox; - -void -main(void) -{ - frag_color = texture(skybox, tex_coords); -} diff --git a/skybox/shaders/skybox.vs b/skybox/shaders/skybox.vs deleted file mode 100644 index 4259dc1..0000000 --- a/skybox/shaders/skybox.vs +++ /dev/null @@ -1,16 +0,0 @@ -#version 330 core - -layout(location = 0) in vec3 apos; - -out vec3 tex_coords; - -uniform mat4 view; -uniform mat4 projection; - -void -main(void) -{ - tex_coords = apos; - vec4 pos = projection*view*vec4(apos, 1.0f); - gl_Position = pos.xyww; -} diff --git a/skybox/skybox.c b/skybox/skybox.c deleted file mode 100644 index 7919b7a..0000000 --- a/skybox/skybox.c +++ /dev/null @@ -1,449 +0,0 @@ -#include "GL/glew.h" -#include "GLFW/glfw3.h" - -#include "pwyazh.h" - -#include "common.h" - -#include <unistd.h> - -#define WIDTH 1024 -#define HEIGHT 768 - -static V3F camera_pos; -static F32 dt; -static Input input; -static B32 first_mouse = 1; - -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; - } -} - -void -cursor_pos_callback(GLFWwindow* window, double xpos, double ypos) -{ - if (first_mouse) - { - input.last_mouse_pos = v2f(xpos, ypos); - first_mouse = 0; - } - input.mouse_offset = v2f(input.mouse_offset.x+((F32)xpos-input.last_mouse_pos.x), - input.mouse_offset.y+((F32)ypos-input.last_mouse_pos.y)); - input.last_mouse_pos = v2f((F32)xpos, (F32)ypos); -} - -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); - - glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED); - - glfwSetKeyCallback(window, key_callback); - glfwSetCursorPosCallback(window, cursor_pos_callback); - - if (glewInit() != GLEW_OK) - { - fprintf(stderr, "[ERROR] Failed to initialize glew.\n"); - glfwTerminate(); - return(1); - } - - U32 skybox_shader = create_shader_program("shaders/skybox.vs", "shaders/skybox.fs"); - U32 reflection_shader = create_shader_program("shaders/reflection.vs", "shaders/reflection.fs"); - U32 refraction_shader = create_shader_program("shaders/refraction.vs", "shaders/refraction.fs"); - U32 cube_shader = create_shader_program("shaders/cube.vs", "shaders/cube.fs"); - U32 grid_texture = load_texture("../data/textures/grid.png"); - - const char *cube_texture_filenames[6] = { - "../data/textures/skybox/right.jpg", - "../data/textures/skybox/left.jpg", - "../data/textures/skybox/top.jpg", - "../data/textures/skybox/bottom.jpg", - "../data/textures/skybox/front.jpg", - "../data/textures/skybox/back.jpg" - }; - U32 skybox_texture = load_cubemap(cube_texture_filenames); - - F32 a = 0.5f; - F32 vertices[] = { - -a, -a, -a, 0.0f, 0.0f, - a, -a, -a, 1.0f, 0.0f, - a, a, -a, 1.0f, 1.0f, - a, a, -a, 1.0f, 1.0f, - -a, a, -a, 0.0f, 1.0f, - -a, -a, -a, 0.0f, 0.0f, - - -a, -a, a, 0.0f, 0.0f, - a, -a, a, 1.0f, 0.0f, - a, a, a, 1.0f, 1.0f, - a, a, a, 1.0f, 1.0f, - -a, a, a, 0.0f, 1.0f, - -a, -a, a, 0.0f, 0.0f, - - -a, a, a, 1.0f, 0.0f, - -a, a, -a, 1.0f, 1.0f, - -a, -a, -a, 0.0f, 1.0f, - -a, -a, -a, 0.0f, 1.0f, - -a, -a, a, 0.0f, 0.0f, - -a, a, a, 1.0f, 0.0f, - - a, a, a, 1.0f, 0.0f, - a, a, -a, 1.0f, 1.0f, - a, -a, -a, 0.0f, 1.0f, - a, -a, -a, 0.0f, 1.0f, - a, -a, a, 0.0f, 0.0f, - a, a, a, 1.0f, 0.0f, - - -a, -a, -a, 0.0f, 1.0f, - a, -a, -a, 1.0f, 1.0f, - a, -a, a, 1.0f, 0.0f, - a, -a, a, 1.0f, 0.0f, - -a, -a, a, 0.0f, 0.0f, - -a, -a, -a, 0.0f, 1.0f, - - -a, a, -a, 0.0f, 1.0f, - a, a, -a, 1.0f, 1.0f, - a, a, a, 1.0f, 0.0f, - a, a, a, 1.0f, 0.0f, - -a, a, a, 0.0f, 0.0f, - -a, a, -a, 0.0f, 1.0f - }; - - Transform cube_positions[] = { - transform_default(), - transform_make_translate(v3f(a, 0.0f, -4.0f*a)) - }; - - Transform platform_position = - transform_make_scale_translate(v3f(10.0f, 0.2f, 10.0f), - v3f(0.0f, -(a+(a*0.2f)+0.01f), 0.0f)); - - U32 cube_vao, vbo; - - glGenVertexArrays(1, &cube_vao); - glBindVertexArray(cube_vao); - - glGenBuffers(1, &vbo); - glBindBuffer(GL_ARRAY_BUFFER, vbo); - glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, 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); - - a = 1.0f; - F32 skybox_cube_vertices[] = { - -a, -a, -a, - a, -a, -a, - a, a, -a, - a, a, -a, - -a, a, -a, - -a, -a, -a, - - -a, -a, a, - a, -a, a, - a, a, a, - a, a, a, - -a, a, a, - -a, -a, a, - - -a, a, a, - -a, a, -a, - -a, -a, -a, - -a, -a, -a, - -a, -a, a, - -a, a, a, - - a, a, a, - a, a, -a, - a, -a, -a, - a, -a, -a, - a, -a, a, - a, a, a, - - -a, -a, -a, - a, -a, -a, - a, -a, a, - a, -a, a, - -a, -a, a, - -a, -a, -a, - - -a, a, -a, - a, a, -a, - a, a, a, - a, a, a, - -a, a, a, - -a, a, -a, - }; - - U32 skybox_cube_vao; - glGenVertexArrays(1, &skybox_cube_vao); - glBindVertexArray(skybox_cube_vao); - glGenBuffers(1, &vbo); - glBindBuffer(GL_ARRAY_BUFFER, vbo); - glBufferData(GL_ARRAY_BUFFER, sizeof(skybox_cube_vertices), skybox_cube_vertices, GL_STATIC_DRAW); - glEnableVertexAttribArray(0); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3*sizeof(F32), (void *)0); - glBindVertexArray(0); - - F32 normals_cube_vertices[] = { - -0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f, - 0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f, - 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f, - 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f, - -0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f, - -0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f, - - -0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f, - 0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f, - 0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f, - 0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f, - -0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f, - -0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f, - - -0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f, - -0.5f, 0.5f, -0.5f, -1.0f, 0.0f, 0.0f, - -0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f, - -0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f, - -0.5f, -0.5f, 0.5f, -1.0f, 0.0f, 0.0f, - -0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f, - - 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f, - 0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f, - 0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f, - 0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f, - 0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f, - 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f, - - -0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f, - 0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f, - 0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f, - 0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f, - -0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f, - -0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f, - - -0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f, - 0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f, - 0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f, - 0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f, - -0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f, - -0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f - }; - U32 normals_cube_vao; - glGenVertexArrays(1, &normals_cube_vao); - glBindVertexArray(normals_cube_vao); - glGenBuffers(1, &vbo); - glBindBuffer(GL_ARRAY_BUFFER, vbo); - glBufferData(GL_ARRAY_BUFFER, sizeof(normals_cube_vertices), normals_cube_vertices, GL_STATIC_DRAW); - glEnableVertexAttribArray(0); - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6*sizeof(F32), (void *)0); - glEnableVertexAttribArray(1); - glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6*sizeof(F32), (void *)(3*sizeof(F32))); - glBindVertexArray(0); - - F32 target_fps = 60.0f; - F32 target_spf = 1.0f/target_fps; - camera_pos = v3f(0.0f, 1.0f, 3.0f); - F32 yaw = 0.0f, pitch = 0.0f; - - F32 last_time = glfwGetTime(); - - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_LEQUAL); - - MAT4 view, projection; - view = mat4_make_translate(v3f_negate(camera_pos)); - view = mat4_rotate_angles(view, v3f(pitch, yaw, 0.0f)); - projection = perspective(90.0f, (F32)WIDTH/(F32)HEIGHT, 0.1f, 100.0f); - - while (!glfwWindowShouldClose(window)) - { - glfwPollEvents(); - - /* INFO(pryazha): update */ - - V3F left, up, forward; - - left = v3f(-view.m0.x, -view.m1.x, -view.m2.x); - up = v3f(view.m0.y, view.m1.y, view.m2.y); - forward = v3f(-view.m0.z, -view.m1.z, -view.m2.z); - - 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)); - - camera_pos = v3f_add(camera_pos, dp); - - /* NOTE(pryazha): Mouse handling */ - F32 sensitivity = 0.1f; - input.mouse_offset = v2f_scalef(input.mouse_offset, sensitivity); - yaw += input.mouse_offset.x; - pitch += input.mouse_offset.y; - if (pitch > 89.0f) - pitch = 89.0f; - if (pitch < -89.0f) - pitch = -89.0f; - - view = mat4_make_translate(v3f_negate(camera_pos)); - view = mat4_rotate_angles(view, v3f(pitch, yaw, 0.0f)); - - input_update_last_state(&input); - - /* NOTE(pryazha): Render */ - glClearColor(0.15f, 0.15f, 0.15f, 1.0f); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glUseProgram(cube_shader); - shader_set_mat4fv(cube_shader, "view", view); - shader_set_mat4fv(cube_shader, "projection", projection); - glBindTexture(GL_TEXTURE_2D, grid_texture); - - glBindVertexArray(cube_vao); - for (S32 transform_index = 0; - transform_index < (S32)ArrayCount(cube_positions); - ++transform_index) - { - shader_set_mat4fv(cube_shader, "model", transform_apply(cube_positions[transform_index])); - glDrawArrays(GL_TRIANGLES, 0, 36); - } - - shader_set_mat4fv(cube_shader, "model", transform_apply(platform_position)); - glDrawArrays(GL_TRIANGLES, 0, 36); - glBindVertexArray(0); - - glUseProgram(reflection_shader); - shader_set_mat4fv(reflection_shader, "model", mat4_make_translate(v3f(0.0f, 2.0f, 0.0f))); - shader_set_mat4fv(reflection_shader, "view", view); - shader_set_mat4fv(reflection_shader, "projection", projection); - shader_set_3fv(reflection_shader, "camera_pos", camera_pos); - glBindVertexArray(normals_cube_vao); - glBindTexture(GL_TEXTURE_CUBE_MAP, skybox_texture); - glDrawArrays(GL_TRIANGLES, 0, 36); - glBindTexture(GL_TEXTURE_CUBE_MAP, 0); - glBindVertexArray(0); - - glUseProgram(refraction_shader); - shader_set_mat4fv(refraction_shader, "model", mat4_make_translate(v3f(2.0f, 2.0f, 0.0f))); - shader_set_mat4fv(refraction_shader, "view", view); - shader_set_mat4fv(refraction_shader, "projection", projection); - shader_set_3fv(refraction_shader, "camera_pos", camera_pos); - glBindVertexArray(normals_cube_vao); - glBindTexture(GL_TEXTURE_CUBE_MAP, skybox_texture); - glDrawArrays(GL_TRIANGLES, 0, 36); - glBindTexture(GL_TEXTURE_CUBE_MAP, 0); - glBindVertexArray(0); - - glUseProgram(skybox_shader); - MAT4 rotate_view = mat4_identity(); - rotate_view.m0 = v4f(view.m0.x, view.m0.y, view.m0.z, 0.0f); - rotate_view.m1 = v4f(view.m1.x, view.m1.y, view.m1.z, 0.0f); - rotate_view.m2 = v4f(view.m2.x, view.m2.y, view.m2.z, 0.0f); - shader_set_mat4fv(skybox_shader, "view", rotate_view); - shader_set_mat4fv(skybox_shader, "projection", projection); - glBindVertexArray(skybox_cube_vao); - glBindTexture(GL_TEXTURE_CUBE_MAP, skybox_texture); - glDrawArrays(GL_TRIANGLES, 0, 36); - glBindVertexArray(0); - - 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); -} |