HW1 – 무피즈 (강현석)
HW1 – 무피즈 (백승대)
HW2 – 캐릭터 (박찬호)
HW2 – 캐릭터 (원종찬)
HW2 – 캐릭터 (박재희)
HW3 – 캐릭터 동산 (정효진)
HW3 – 캐릭터 동산 (심지흠)
HW3 – 캐릭터 동산 (심세용)
OpenGL Line-Drawing Algorithm
lecture18-ch7
OpenGL Blending
Blending 예제
http://dis.dankook.ac.kr/lectures/cg08/entry/blending-예제
Blending Filter 예제
http://dis.dankook.ac.kr/lectures/cg08/entry/blending-filter-예제
// Default (no blending) = Cs*1
glBlendFunc(GL_ONE, GL_ZERO) 
// Draw background only = Cd*1
glBlendFunc(GL_ZERO, GL_ONE) 
// Addition Blending = Cs*1 + Cd*1
glBlendFunc(GL_ONE, GL_ONE) 
// Alpha blending (back-to-front) = Cs*As + Cd*(1-As)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) 
// Brighten the scene = Cs*As + Cd*1
glBlendFunc(GL_SRC_ALPHA, GL_ONE) 
// Multiplicative blending = Cd*Cs
glBlendFunc(GL_ZERO, GL_SRC_COLOR)
// darken the scene = Cd*As
glBlendFunc(GL_ZERO, GL_SRC_ALPHA);
// Invert all the colors = Cs*(1-Cd)
glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO) 
OpenGL Texture Mapping
/// init texture
void initTexture(char *filename, GLuint& textureID, GLint param=GL_REPEAT)
{
// 중간 생략
glGenTextures(1, &textureID);
glBindTexture(GL_TEXTURE_2D, textureID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, param);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, param);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, numComponents == 3 ? GL_RGB : GL_RGBA, imageWidth, imageHeight,
0, numComponents == 3 ? GL_RGB : GL_RGBA, GL_UNSIGNED_BYTE, imageBuffer);
glBindTexture(GL_TEXTURE_2D, 0);
}
/// Draw
void draw()
{
glBindTexture(GL_TEXTURE_2D, texID1);
glBegin(GL_QUADS);
glNormal3f(0, 0, 1);
glTexCoord2i( __________________ );
glVertex3f(-2.0, -1.0, 0.0);
glTexCoord2i(__________________);
glVertex3f(-0.1, -1.0, 0.0);
glTexCoord2i(__________________);
glVertex3f(-0.1, 1.0, 0.0);
glTexCoord2i(__________________);
glVertex3f(-2.0, 1.0, 0.0);
glEnd();
}
lecture17-ch8
OpenGL Texture Mapping
Texture binding, texture generate, texture filtering, texture subimage, texture mapping by procedural definition & using imagefile, mipmapping, texture environment setting (modulate/decal), texture distorting, texture transformation, flipbook animation, etc
http://dis.dankook.ac.kr/lectures/cg08/entry/texture-mapping-예제
Texture filtering & environment paramaters
http://dis.dankook.ac.kr/lectures/cg08/entry/texture-filtering-environment-parameters-예제
wrapping parameters (REPEAT | CLAMP)
magnification/minification filter parameters (NEAREST | LINEAR | LINEAR_MIPMAP_LINEAR)
environment parameters (MODULATE | DECAL | BLEND | REPLACE)
Texture generation
http://dis.dankook.ac.kr/lectures/cg08/entry/texture-generation-예제
Multitexturing
http://dis.dankook.ac.kr/lectures/cg09/entry/OPENGL-Multitexturing
multipass-multitexturing
singpass-multitexturing
Billboarding
http://dis.dankook.ac.kr/lectures/cg09/entry/OPENGL-Billboarding
Before Billboarding
After Billboarding
lecture16-ch8
lecture15-ch8
OpenAL soundnode class
OpenAL기반의 sound class와 soundnode class 추가
-기존 oglclass의 sound class 변경 (하나의 사운드 담당)
-soundnode class 추가
+BackgroundMusic class (배경음) 한번/반복/루프모드에 따라 플레이
+EnvironmentSound class (환경음) 일정시간이 지나면 랜덤플레이
+LocalEffectSound class (지역음) 지정한 지역근처에 가면 플레이
-지역음은 반드시 camera class하고 같이 사용해야 함!
// sound 객체 초기화
camera camera1(45, 1, 1.0f, 1000.0f);
Sound sounds;
Sound sounds2;
BackgroundMusic bgm;
EnvironmentSound ambientsound;
LocalEffectSound localsound1(&camera1);
LocalEffectSound localsound2(&camera1);
// createScene에서 사운드 정의
void createScene(node & root)
{
// 중간생략..
// 기존의 sound class 사용방법
ALfloat sourcePos1[] = { 10., 2., 5.};
ALfloat sourceVel1[] = { 0., 0., 0.};
ALfloat sourcePos2[] = { -20., 2., 5.};
ALfloat sourceVel2[] = { 0., 0., 0.};
sounds.setSoundSource(“data/sound/stereo.wav”, sourcePos1, sourceVel1, 0.5f, AL_TRUE);
//sounds.play(); // background sound play
sounds2.setSoundSource(“data/sound/click.wav”, sourcePos2, sourceVel2, 1.0f, AL_FALSE);
// 배경음 – 리스트에 음악을 계속 루프해서 플레이
bgm.addSoundFile(“data/sound/BGM/네오+시티.wav”);
bgm.addSoundFile(“data/sound/BGM/엘린+숲.wav”);
bgm.addSoundFile(“data/sound/BGM/무릉.wav”);
bgm.setMode(BackgroundMusic::LOOP);
bgm.setVolume(0.2f);
// 환경음 – 2초가 지나면 리스트에서 랜덤하게 사운드를 하나 선택해서 플레이
ambientsound.addSoundFile(“data/sound/Env/Beetle Movement.wav”);
ambientsound.addSoundFile(“data/sound/Env/songbird1.wav”);
ambientsound.addSoundFile(“data/sound/Env/Purple Sandpipers Chirping.wav”);
ambientsound.addSoundFile(“data/sound/Env/Frog Croaks.wav”);
ambientsound.addSoundFile(“data/sound/Env/Forest Cicadas.wav”);
ambientsound.setTime(2000.0f);
ambientsound.setVolume(0.5f);
// 지역음 – 해당지역에 가면 사운드가 플레이
localsound1.addSoundFile(“data/sound/LocalEffect/water.wav”);
localsound1.setPosition(sourcePos1);
localsound2.addSoundFile(“data/sound/LocalEffect/Bee.wav”);
localsound2.setPosition(sourcePos2);
localsound2.setAttenuate(20.0f);
}
// 이벤트에 따른 사운드 플레이
void keyboard(unsigned char key, int x, int y)
{
// 중간 생략
case ‘s’:
sounds2.play();
break;
}
// 지정한 사운드 이벤트에 따른 사운드 플레이
void update()
{
g_CurrentTime = timeGetTime();
g_DeltaTime = g_CurrentTime – g_PreviousTime;
g_ElapsedTime = (float)(g_DeltaTime * 0.001);
g_PreviousTime = g_CurrentTime;
// 사운드 업데이트
bgm.update(g_DeltaTime);
ambientsound.update(g_DeltaTime);
localsound1.update(g_DeltaTime);
localsound2.update(g_DeltaTime);
}