//程序10-1?Bezier曲線繪制實例
//?win32Test.cpp?:?Defines?the?entry?point?for?the?application.//
#include?“stdafx.h“
#include?

//?The?number?of?control?points?for?this?curve
GLint?nNumPoints?=?4;

?//control?point?group1
GLfloat?ctrlPoints[4][3]=?{{??-4.0f?0.0f?0.0f}	//?End?Point
							{?-6.0f?4.0f?0.0f}	//?Control?Point
							{??6.0f?-4.0f?0.0f}	//?Control?Point
							{??4.0f?0.0f?0.0f?}};	//?End?Point


void?ChangeSize（int?w?int?h）;
void?DrawPoints（void）;
void?RenderScene（void）;
void?SetupRC（）;

int?APIENTRY?_tWinMain（HINSTANCE?hInstance
?????????????????????HINSTANCE?hPrevInstance
?????????????????????LPTSTR????lpCmdLine
?????????????????????int???????nCmdShow）
{
	UNREFERENCED_PARAMETER（hPrevInstance）;
	UNREFERENCED_PARAMETER（lpCmdLine）;
?
	char?*argv[]?=?{“hello?“?“?“};
	int?argc?=?2;?//?must/should?match?the?number?of?strings?in?argv
	glutInit（&argc?argv）;????//初始化GLUT庫；
	glutInitDisplayMode（GLUT_DOUBLE?|?GLUT_RGB）;???//設置顯示模式；（緩沖，顏色類型）
	glutInitWindowSize（500?500）;
	glutInitWindowPosition（1024?/?2?-?250?768?/?2?-?250）;
	glutCreateWindow（“Bezier?Curve“）;??//創建窗口，標題為“Rotating?3D?World”；
	glutReshapeFunc（ChangeSize）;
	SetupRC（）;;
	glutDisplayFunc（RenderScene）;??//用于繪制當前窗口；
	glutMainLoop（）;???//表示開始運行程序，用于程序的結尾；

	return?0;
}

void?DrawPoints（void）
????{
????int?i;	//?Counting?variable

????//?Set?point?size?larger?to?make?more?visible
????glPointSize（5.0f）;

????//?Loop?through?all?control?points?for?this?example
????glBegin（GL_POINTS）;
????????for（i?=?0;?i????????????glVertex2fv（ctrlPoints[i]）;
????glEnd（）;
????}



//?Called?to?draw?scene
void?RenderScene（void）
????{
????int?i;
????
????//?Clear?the?window?with?current?clearing?color
????glClear（GL_COLOR_BUFFER_BIT）;

????//?Sets?up?the?bezier
????//?This?actually?only?needs?to?be?called?once?and?could?go?in
????//?the?setup?function
????glMap1f（GL_MAP1_VERTEX_3	//?Type?of?data?generated
????0.0f						//?Lower?u?range
????100.0f						//?Upper?u?range
????3							//?Distance?between?points?in?the?data
????nNumPoints					//?number?of?control?points
????&ctrlPoints[0][0]）;			//?array?of?control?points

????//?Enable?the?evaluator
????glEnable（GL_MAP1_VERTEX_3）;

	//?Use?a?line?strip?to?“connect-the-dots“
	glBegin（GL_LINE_STRIP）;
		for（i?=?0;?i?<=?100;?i++）
			{
			//?Evaluate?the?curve?at?this?point
			glEvalCoord1f（（GLfloat）?i）;?
????????????}
????glEnd（）;

????//?Use?higher?level?functions?to?map?to?a?grid?then?evaluate?the
????//?entire?thing.
????//?Put?these?two?functions?in?to?replace?above?loop

????//?Map?a?grid?of?100?points?from?0?to?100
???//glMapGrid1d（1000.0100.0）;

????//?Evaluate?the?grid?using?lines
????//glEvalMesh1（GL_LINE0100）;

????//?Draw?the?Control?Points
????DrawPoints（）;

????//?Flush?drawing?commands
????glutSwapBuffers（）;
????}

//?This?function?does?any?needed?initialization?on?the?rendering
//?context.?
void?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-06-17?08:01??lab16-BezierCurveSurface\
?????目錄???????????0??2015-06-17?09:26??lab16-BezierCurveSurface\lab16-BezierCurveSurface\
?????文件????????3627??2015-06-14?23:12??lab16-BezierCurveSurface\lab16-BezierCurveSurface\BezierCurve.cpp
?????文件????????5280??2015-06-14?23:14??lab16-BezierCurveSurface\lab16-BezierCurveSurface\BezierSurface.cpp
?????文件???????10620??2015-06-03?09:29??lab16-BezierCurveSurface\lab16-BezierCurveSurface\Texture.cpp
?????文件?????????437??2007-12-04?13:55??lab16-BezierCurveSurface\lab16-BezierCurveSurface\Texture.h
?????文件??????164675??2003-05-10?14:27??lab16-BezierCurveSurface\lab16-BezierCurveSurface\tuxture.jpg
?????文件??????286720??2015-06-17?09:14??lab16-BezierCurveSurface\lab16-BezierCurveSurface\實驗十六????Bezier曲線曲面繪制.doc