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資源簡介

基于glutMouseFunc和glutMotionFunc的用鼠標控制物體的縮放和旋轉的小例子，分享學習一下。

資源截圖

代碼片段和文件信息 

#include“stdlib.h“
#include“iostream“
#include“gltools.h“
#include“GLBatch.h“
#include“GLShaderManager.h“
#include“math.h“
#ifdef?__APPLE__
#include???????????//?OS?X?version?of?GLUT
#else
#define?FREEGLUT_STATIC
#include?????????????//?Windows?FreeGlut?equivalent
#endif

using?namespace?std;

GLShaderManager	shaderManager;
GLTriangleBatch?sphereBatch;

bool?mouseLeftDown=false;
bool?mouseRightDown=false;
float?mouseXmouseY;
float?cameraZ;
float?rotXrotY;
const?float?offset?=?0.01;
void?ChangeSize（GLint?wGLint?h）
{
	if（h?==?0）
		h?=?1;
	glViewport（00wh）;
	glMatrixMode（GL_PROJECTION）;
	glLoadIdentity（）;
	gluPerspective（60（GLfloat）w/（GLfloat）h0.1100）;
	glMatrixMode（GL_MODELVIEW）;
	glLoadIdentity（）;
}
void?RenderScene（）
{
	glClear（GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT）;
	//不要忘記加載模型視圖矩陣！！！
	glMatrixMode（GL_MODELVIEW）;
	glLoadIdentity（）;
	//簡單地調用以下平移和旋轉函數實現控制
	glTranslatef（00cameraZ）;
	glRotatef（rotX?1.0f?0.0f?0.0f）;
	glRotatef（rotY?0.0f?1.0f?0.0f）;
	glColor3f（011）;
	glPolygonMode（GL_FRONT_AND_BACKGL_LINE）;
	sphereBatch.Draw（）;
	glutSwapBuffers（）;
//	glutPostRedisplay（）;
}
/*
//button:GLUT_LEFT_BUTTON??GLUT_MIDDLE_BUTTON??GLUT_RIGHT_BUTTON
//state:GLUT_DOWN??GLUT_UP
//x??y坐標值
*/
void?mouse（int?button?int?state?int?x?int?y）
{
	mouseX?=?x;
	mouseY?=?y;
	if（button?==?GLUT_LEFT_BUTTON）
	{
		if（?state?==?GLUT_DOWN）
			mouseLeftDown?=?true;
		else?if（state?==?GLUT_UP）
			mouseLeftDown?=?false;
	}
	else?if（button?==?GLUT_RIGHT_BUTTON）
	{
		if（?state?==?GLUT_DOWN）
			mouseRightDown?=?true;
		else?if（state?==?GLUT_UP）
			mouseRightDown?=?false;
	}
	glutPostRedisplay（）;
}

void?motion（int?x?int?y）
{
	float?dx?=?x-mouseX;
	float?dy?=?y-mouseY;
//x與y的位置相互顛倒
	if（mouseLeftDown?==?true）
	{
		rotY?+=?dx;
		rotX?+=?dy;
	}
	else?if（mouseRightDown?==?true）
	{
		cameraZ?+=?dy*offset;
	}
		mouseX?=?x;
		mouseY?=?y;

	glutPostRedisplay（）;
}
void?SetupRC（）
{
	glClearColor（0001）;
	glEnable（GL_DEPTH_TEST）;
	gltMakeSphere（sphereBatch51530）;
}
int?main（int?argc?char*?argv[]）
	{
	gltSetWorkingDirectory（argv[0]）;
	
	glutInit（&argc?argv）;
	glutInitDisplayMode（GLUT_DOUBLE?|?GLUT_RGBA?|GLUT_DEPTH）;
	glutInitWindowSize（800?600）;
	glutCreateWindow（“MouseMotion“）;
????glutReshapeFunc（ChangeSize）;
????glutDisplayFunc（RenderScene）;

	glutMouseFunc（mouse）;
	glutMotionFunc（motion）;
	GLenum?err?=?glewInit（）;
	if?（GLEW_OK?!=?err）?{
		fprintf（stderr?“GLEW?Error:?%s\n“?glewGetErrorString（err））;
		return?1;
		}
	SetupRC（）;

	glutMainLoop（）;

	return?0;
	}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????459776??2015-04-08?08:49??mouseMove\Debug\mouseMove.exe

?????文件????1475988??2015-04-08?08:49??mouseMove\Debug\mouseMove.ilk

?????文件????1715200??2015-04-08?08:49??mouseMove\Debug\mouseMove.pdb

?????文件????????606??2015-04-08?08:49??mouseMove\mouseMove\Debug\cl.command.1.tlog

?????文件??????29988??2015-04-08?08:49??mouseMove\mouseMove\Debug\CL.read.1.tlog

?????文件????????320??2015-04-08?08:49??mouseMove\mouseMove\Debug\CL.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link-rc.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link-rc.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1576-cvtres.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1576-cvtres.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1576-rc.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1576-rc.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1576.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1576.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1880-cvtres.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1880-cvtres.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1880-rc.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1880-rc.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1880.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.1880.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.4948-cvtres.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.4948-cvtres.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.4948-rc.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.4948-rc.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.4948.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.4948.write.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.6084-cvtres.read.1.tlog

?????文件??????????2??2015-04-08?08:49??mouseMove\mouseMove\Debug\link.6084-cvtres.write.1.tlog

............此處省略50個文件信息

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