OpenGL入門
OpenGLのカラーサンプル（teapots.c）
文責：遠藤 理平 （2011年3月13日）
カテゴリ：OpenGL入門(27)
コンピュータシミュレーション講座では、 コンピュータ上での物理シミュレーションが目的ですが、 その手前としてOpenGLを用いた描画の練習を沢山行います。 本稿では、様々な質感を出すためのパラメータを紹介します。
M.J. Kilgard氏のカラーサンプルを使いやすい構造体にして公開してくださっている山本昌志氏のソースを利用させていただきます。
M.J. Kilgard氏のteapots.c
山本昌志氏のソース(material.cpp)
M.J. Kilgard氏のteapots.c
山本昌志氏の構造体を利用
山本昌志氏のソース(material.cpp)
//--------------------------------------------------------
// 物質質感の定義
//--------------------------------------------------------
struct MaterialStruct {
GLfloat ambient[4];
GLfloat diffuse[4];
GLfloat specular[4];
GLfloat shininess;
};
//////////////////////////////////////////
//ruby(ルビー)
MaterialStruct ms_ruby = {
{0.1745, 0.01175, 0.01175, 1.0},
{0.61424, 0.04136, 0.04136, 1.0},
{0.727811, 0.626959, 0.626959, 1.0},
76.8};
//emerald(エメラルド)
MaterialStruct ms_emerald = {
{0.0215, 0.1745, 0.0215, 1.0},
{0.07568, 0.61424, 0.07568, 1.0},
{0.633, 0.727811, 0.633, 1.0},
76.8};
//jade(翡翠)
MaterialStruct ms_jade = {
{0.135, 0.2225, 0.1575, 1.0},
{0.54, 0.89, 0.63, 1.0},
{0.316228, 0.316228, 0.316228, 1.0},
12.8};
//obsidian(黒曜石)
MaterialStruct ms_obsidian = {
{0.05375, 0.05, 0.06625, 1.0},
{0.18275, 0.17, 0.22525, 1.0},
{0.332741,0.328634,0.346435,1.0},
38.4};
// pearl(真珠)
MaterialStruct ms_pearl = {
{0.25, 0.20725, 0.20725, 1.0},
{1, 0.829, 0.829, 1.0},
{0.296648, 0.296648, 0.296648, 1.0},
10.24};
//turquoise(トルコ石)
MaterialStruct ms_turquoise = {
{0.1, 0.18725, 0.1745, 1.0},
{0.396, 0.74151, 0.69102, 1.0},
{0.297254,0.30829, 0.306678,1.0},
12.8};
//brass(真鍮)
MaterialStruct ms_brass = {
{0.329412, 0.223529, 0.027451, 1.0},
{0.780392, 0.568627, 0.113725, 1.0},
{0.992157, 0.941176, 0.807843, 1.0},
27.89743616};
//bronze(青銅)
MaterialStruct ms_bronze = {
{0.2125, 0.1275, 0.054, 1.0},
{0.714, 0.4284, 0.18144, 1.0},
{0.393548, 0.271906, 0.166721,1.0},
25.6};
//chrome(クローム)
MaterialStruct ms_chrome = {
{0.25, 0.25, 0.25, 1.0},
{0.4, 0.4, 0.4, 1.0},
{0.774597,0.774597, 0.774597, 1.0},
76.8};
//copper(銅)
MaterialStruct ms_copper = {
{0.19125, 0.0735, 0.0225, 1.0},
{0.7038, 0.27048, 0.0828, 1.0},
{0.256777, 0.137622, 0.086014,1.0},
12.8};
//gold(金)
MaterialStruct ms_gold = {
{0.24725, 0.1995, 0.0745, 1.0},
{0.75164, 0.60648, 0.22648, 1.0},
{0.628281, 0.555802, 0.366065, 1.0},
51.2};
//silver(銀)
MaterialStruct ms_silver = {
{0.19225, 0.19225, 0.19225, 1.0},
{0.50754, 0.50754, 0.50754, 1.0},
{0.508273, 0.508273, 0.508273,1.0},
51.2};
//プラスチック(黒)
MaterialStruct ms_black_plastic = {
{0.0, 0.0, 0.0, 1.0},
{0.01, 0.01, 0.01, 1.0},
{0.50, 0.50, 0.50, 1.0},
32};
//プラスチック(シアン)
MaterialStruct ms_cyan_plastic = {
{0.0, 0.1, 0.06, 1.0},
{0.0, 0.50980392,0.50980392,1.0},
{0.50196078,0.50196078,0.50196078,1.0},
32};
//プラスチック(緑)
MaterialStruct ms_green_plastic = {
{0.0, 0.0, 0.0, 1.0},
{0.1, 0.35, 0.1, 1.0},
{0.45, 0.55, 0.45, 1.0},
32};
//プラスチック(赤)
MaterialStruct ms_red_plastic = {
{0.0, 0.0, 0.0, 1.0},
{0.5, 0.0, 0.0, 1.0},
{0.7, 0.6, 0.6, 1.0},
32};
//プラスチック(白)
MaterialStruct ms_white_plastic = {
{0.0, 0.0, 0.0, 1.0},
{0.55, 0.55, 0.55, 1.0},
{0.70, 0.70, 0.70, 1.0},
32};
//プラスチック(黄)
MaterialStruct ms_yellow_plastic = {
{0.0, 0.0, 0.0, 1.0},
{0.5, 0.5, 0.0, 1.0},
{0.60, 0.60, 0.50, 1.0},
32};
//ゴム(黒)
MaterialStruct ms_black_rubber = {
{0.02, 0.02, 0.02, 1.0},
{0.01, 0.01, 0.01, 1.0},
{0.4, 0.4, 0.4, 1.0},
10.0};
//ゴム(シアン)
MaterialStruct ms_cyan_rubber = {
{0.0, 0.05, 0.05, 1.0},
{0.4, 0.5, 0.5, 1.0},
{0.04, 0.7, 0.7, 1.0},
10.0};
//ゴム(緑)
MaterialStruct ms_green_rubber = {
{0.0, 0.05, 0.0, 1.0},
{0.4, 0.5, 0.4, 1.0},
{0.04, 0.7, 0.04, 1.0},
10.0};
//ゴム(赤)
MaterialStruct ms_red_rubber = {
{0.05, 0.0, 0.0, 1.0},
{0.5, 0.4, 0.4, 1.0},
{0.7, 0.04, 0.04, 1.0},
10.0};
//ゴム(白)
MaterialStruct ms_white_rubber = {
{0.05, 0.05, 0.05, 1.0},
{0.5, 0.5, 0.5, 1.0},
{0.7, 0.7, 0.7, 1.0},
10.0};
//ゴム(黄)
MaterialStruct ms_yellow_rubber = {
{0.05, 0.05, 0.0, 1.0},
{0.5, 0.5, 0.4, 1.0},
{0.7, 0.7, 0.04, 1.0},
10.0};
