#include?“Camera.h“

void?Camera::setting_view_person（Man?&?man）
{
	if?（view_person?==?FIRST_PERSON）
	{
		glMatrixMode（GL_MODELVIEW）;
		glLoadIdentity（）;
		cameraAt.x?=?man.x?+?1.3?*?cos（man.vangle?/?180.0?*?PI）;
		cameraAt.y?=?man.y?+?man.head.y;
		cameraAt.z?=?man.z?-?1.3?*?sin（man.vangle?/?180.0?*?PI）;

		lookAt.x?=?man.x?+?5?*?cos（man.vangle?/?180.0?*?PI）;
		lookAt.y?=?man.y?+?man.hair.y?-?look_dy;
		lookAt.z?=?man.z?-?5?*?sin（man.vangle?/?180.0?*?PI）;
		gluLookAt（cameraAt.x?cameraAt.y?cameraAt.z
			lookAt.x?lookAt.y?lookAt.z
			0.0f?1.0f?0.0f）;
	}
	else?if?（view_person?==?GOD）
	{
		glMatrixMode（GL_MODELVIEW）;
		glLoadIdentity（）;
		if?（!reset_god）
		{
			cameraAt?=?godAt;
			lookAt.x?=?10;
			lookAt.y?=?0;
			lookAt.z?=?0;
			reset_god?=?true;
		}

		gluLookAt（cameraAt.x?cameraAt.y?cameraAt.z
			lookAt.x?lookAt.y?lookAt.z
			0.0f?1.0f?0.0f）;
	}
	else?if?（view_person?==?THIRD_PERSON）
	{
		glMatrixMode（GL_MODELVIEW）;
		glLoadIdentity（）;
		cameraAt.x?=?man.x?-?10?*?cos（man.vangle?/?180.0?*?PI）;
		cameraAt.y?=?man.head.y?+?10;
		cameraAt.z?=?man.z?+?10?*?sin（man.vangle?/?180.0?*?PI）;

		lookAt.x?=?man.x;
		lookAt.y?=?man.hair.y;
		lookAt.z?=?man.z;

		gluLookAt（cameraAt.x?cameraAt.y?cameraAt.z
			lookAt.x?lookAt.y?lookAt.z
			0.0f?1.0f?0.0f）;
	}
	else?if?（view_person?==?BALL）
	{
		if?（trackballMove）
		{
			glRotatef（angle?axis[0]?axis[1]?axis[2]）;
		}
	}
}

void?Camera::change_view（）
{
	reset_god?=?false;
	if?（view_person?>=?3）
	{
		view_person?=?0;
	}
	else
	{
		view_person++;
	}
}

void?Camera::unname（int?x?int?y?int?scr_wMan?&man）
{
	float?r?=?0.06;
	man.vangle?-=?0.1?*?（x?-?last_mm_x）;

	if?（x??x）
	{
		x?=?（1?-?r）?*?scr_w;
		//????????SetCursorPos（x?y）;
	}
	else?if?（x?>?（1?-?r）?*?scr_w?&&?last_mm_x?	{
		x?=?r?*?scr_w;
		//????????SetCursorPos（x?y）;
	}
	if?（view_person?==?FIRST_PERSON）
	{
		look_dy?+=?0.01?*?（y?-?last_mm_y）;
	}
	last_mm_x?=?x;
	last_mm_y?=?y;
}

void?Camera::mouse_Button（int?button?int?state?int?x?int?yint?scr_h）
{
	this->scr_h?=?scr_h;
	if?（button?==?GLUT_LEFT_BUTTON）
	{
		switch?（state）
		{
		case?GLUT_DOWN:
			if?（view_person?==?FIRST_PERSON）
			{
				UnProject（x?y?GLUT_LEFT_BUTTON）;
			}
			cameraAt.x?/=?VIEW_SCALE;
			cameraAt.y?/=?VIEW_SCALE;
			cameraAt.z?/=?VIEW_SCALE;
			startMotion（x?y）;
			break;
		case?GLUT_UP:
			stopMotion（x?y）;
			break;

		}
	}
	else?if?（button?==?GLUT_RIGHT_BUTTON）
	{
		//?視角收縮
		if?（state?==?GLUT_DOWN）
		{
			if?（view_person?==?FIRST_PERSON）
			{
				UnProject（x?y?GLUT_RIGHT_BUTTON）;
			}
			cameraAt.x?*=?VIEW_SCALE;
			cameraAt.y?*=?VIEW_SCALE;
			cameraAt.z?*=?VIEW_SCALE;
		}
	}
}

void?Camera::UnProject（float?mouse_x?float?mouse_y?int?c）
{
	int?x?=?mouse_x;????????????????/*?屏幕坐標(biāo)?*/
	int?y?=?mouse_y;
	GLint?viewport[4];
	GLdouble?mvmatrix[16]?projmatrix[16];
	GLfloat?winx?wi

?屬性????????????大小?????日期????時間???名稱
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?????文件????????352??2017-11-27?21:36??minecraft_1\.git\config

?????文件?????????73??2017-11-27?21:36??minecraft_1\.git\description

?????文件????????108??2017-12-01?14:49??minecraft_1\.git\FETCH_HEAD

?????文件?????????23??2017-11-27?21:36??minecraft_1\.git\HEAD

?????文件????????177??2017-11-27?21:36??minecraft_1\.git\hooks\README.sample

?????文件???????6128??2017-12-01?14:49??minecraft_1\.git\index

?????文件????????113??2017-11-27?21:36??minecraft_1\.git\info\exclude

?????文件???????1117??2017-12-01?14:49??minecraft_1\.git\logs\HEAD

?????文件???????1117??2017-12-01?14:49??minecraft_1\.git\logs\refs\heads\master

?????文件???????1052??2017-12-01?14:49??minecraft_1\.git\logs\refs\remotes\origin\master

?????文件????????150??2017-12-01?14:49??minecraft_1\.git\ms-persist.xml

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?????文件????????495??2017-11-29?16:49??minecraft_1\.git\objects\20\5e1abc4bd7c66770fe55637462c7be8343aaec

?????文件????????937??2017-11-28?17:37??minecraft_1\.git\objects\23\36afe74dc63305116eda3fc447e85a0a71dceb

?????文件?????351892??2017-12-01?14:49??minecraft_1\.git\objects\23\afbc4920aca844777b2ecf7fd932731f6caebc

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