Week16

 #week16

##week16-0_sample

準備上課環境

0.freeglut/libglut32.a

1.OpenCV,記得Add PATH

2.設定CodBlocks Setting-Compiler

-include 目錄 C:\openCV2.1\include

-lib 目錄 C:\openCV2.1\lib

-link 的3個設定 cv210 cxcore210 highgui210

3.File-New-Project, GLUT專案 week16-0_sample

C:\OpenCV2.1\lib

C:\OpenCV2.1\include

###下載書

課程網址: https://jsyeh.org/3dcg10/

下載:[data][win32]解壓縮

##week16-1_sample_gluLookAt

1.File-New-Project, GLUT專案week16-1_sample_gluLookAt

2.要改resize()函式,加上glulookAt()函式,可以看左上角的圓球

3.按按鍵看不同地方

if(key=='1') 看左上

if(key=='2') 看上方

if(key=='3') 看右上方

##week16-2_glutReshapeFunc_gluPerspective_gluLookAt

File-New-Project, GLUT專案week16-2_glutReshapeFunc_gluPerspective_gluLookAt

請看課本 Projection.exe的範例

gluPerspective透視投影

glOrtho垂直投影

glFrustum通常不用

gluPerspective(視角,長寬比,z近,z遠)

fovy field of view in y視角

aspect ratio 長寬比

##week16-3_myTexture_id1_id2_glBindTexture

若想要兩張貼圖

1.File-New-Project, GLUT專案week16-3_myTexture_id1_id2_glBindTexture

2.複製老師程式碼,沒有圖檔

3.老師傳圖檔,放C槽,有圖