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健航 许健航 许
健航 许
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健航 许
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test useles
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‎.DS_Store

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‎cl/test ‎cl/test.cpp

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@@ -102,6 +102,8 @@ int main(int argc,char** argv){
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Vector3<double> te(3,2,1);
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auto te2= static_cast<vector<double>>(te);
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Print(te2);
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//double cell_vol=0;
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//int scount=0;

‎freeglut/Makefile

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CXXFLAGS=-I/usr/local/Cellar/freeglut/3.0.0/include/ -I/usr/local/Cellar/sdl2/2.0.9_1/include/SDL2/
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LDFLAGS=-L/usr/local/Cellar/freeglut/3.0.0/lib/ -L/usr/local/Cellar/sdl2/2.0.9_1/lib/
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LDLIBS= -framework GLUT -framework OpenGL -framework Cocoa
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all: triangle
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clean:
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rm -f *.o triangle

‎freeglut/triangle.cpp

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/* Copyright (c) Mark J. Kilgard, 1994. */
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/* This program is freely distributable without licensing fees
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and is provided without guarantee or warrantee expressed or
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implied. This program is -not- in the public domain. */
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#include <stdlib.h>
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#include <stdio.h>
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#ifndef WIN32
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#include <unistd.h>
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#else
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#define random rand
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#define srandom srand
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#endif
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#include <math.h>
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#include <GL/glut.h>
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/* Some <math.h> files do not define M_PI... */
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#ifndef M_PI
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#define M_PI 3.14159265
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#endif
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#ifndef M_PI_2
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#define M_PI_2 1.57079632
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#endif
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GLboolean moving = GL_FALSE;
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#define MAX_PLANES 15
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struct {
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float speed; /* zero speed means not flying */
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GLfloat red, green, blue;
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float theta;
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float x, y, z, angle;
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} planes[MAX_PLANES];
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#define v3f glVertex3f /* v3f was the short IRIS GL name for
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glVertex3f */
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void
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draw(void)
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{
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GLfloat red, green, blue;
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int i;
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glClear(GL_DEPTH_BUFFER_BIT);
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/* paint black to blue smooth shaded polygon for background */
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glDisable(GL_DEPTH_TEST);
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glShadeModel(GL_SMOOTH);
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glBegin(GL_POLYGON);
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glColor3f(0.0, 0.0, 0.0);
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v3f(-20, 20, -19);
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v3f(20, 20, -19);
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glColor3f(0.0, 0.0, 1.0);
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v3f(20, -20, -19);
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v3f(-20, -20, -19);
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glEnd();
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/* paint planes */
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glEnable(GL_DEPTH_TEST);
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glShadeModel(GL_FLAT);
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for (i = 0; i < MAX_PLANES; i++)
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if (planes[i].speed != 0.0) {
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glPushMatrix();
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glTranslatef(planes[i].x, planes[i].y, planes[i].z);
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glRotatef(290.0, 1.0, 0.0, 0.0);
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glRotatef(planes[i].angle, 0.0, 0.0, 1.0);
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glScalef(1.0 / 3.0, 1.0 / 4.0, 1.0 / 4.0);
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glTranslatef(0.0, -4.0, -1.5);
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glBegin(GL_TRIANGLE_STRIP);
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/* left wing */
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v3f(-7.0, 0.0, 2.0);
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v3f(-1.0, 0.0, 3.0);
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glColor3f(red = planes[i].red, green = planes[i].green,
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blue = planes[i].blue);
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v3f(-1.0, 7.0, 3.0);
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/* left side */
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glColor3f(0.6 * red, 0.6 * green, 0.6 * blue);
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v3f(0.0, 0.0, 0.0);
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v3f(0.0, 8.0, 0.0);
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/* right side */
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v3f(1.0, 0.0, 3.0);
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v3f(1.0, 7.0, 3.0);
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/* final tip of right wing */
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glColor3f(red, green, blue);
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v3f(7.0, 0.0, 2.0);
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glEnd();
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glPopMatrix();
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}
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glutSwapBuffers();
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}
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void
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tick_per_plane(int i)
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{
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float theta = planes[i].theta += planes[i].speed;
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planes[i].z = -9 + 4 * cos(theta);
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planes[i].x = 4 * sin(2 * theta);
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planes[i].y = sin(theta / 3.4) * 3;
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planes[i].angle = ((atan(2.0) + M_PI_2) * sin(theta) - M_PI_2) * 180 / M_PI;
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if (planes[i].speed < 0.0)
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planes[i].angle += 180;
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}
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void
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add_plane(void)
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{
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int i;
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for (i = 0; i < MAX_PLANES; i++)
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if (planes[i].speed == 0) {
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#define SET_COLOR(r,g,b) \
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planes[i].red=r; planes[i].green=g; planes[i].blue=b;
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switch (random() % 6) {
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case 0:
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SET_COLOR(1.0, 0.0, 0.0); /* red */
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break;
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case 1:
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SET_COLOR(1.0, 1.0, 1.0); /* white */
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break;
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case 2:
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SET_COLOR(0.0, 1.0, 0.0); /* green */
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break;
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case 3:
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SET_COLOR(1.0, 0.0, 1.0); /* magenta */
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break;
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case 4:
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SET_COLOR(1.0, 1.0, 0.0); /* yellow */
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break;
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case 5:
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SET_COLOR(0.0, 1.0, 1.0); /* cyan */
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break;
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}
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planes[i].speed = ((float) (random() % 20)) * 0.001 + 0.02;
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if (random() & 0x1)
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planes[i].speed *= -1;
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planes[i].theta = ((float) (random() % 257)) * 0.1111;
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tick_per_plane(i);
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if (!moving)
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glutPostRedisplay();
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return;
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}
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}
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void
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remove_plane(void)
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{
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int i;
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for (i = MAX_PLANES - 1; i >= 0; i--)
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if (planes[i].speed != 0) {
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planes[i].speed = 0;
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if (!moving)
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glutPostRedisplay();
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return;
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}
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}
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void
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tick(void)
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{
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int i;
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for (i = 0; i < MAX_PLANES; i++)
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if (planes[i].speed != 0.0)
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tick_per_plane(i);
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}
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void
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animate(void)
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{
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tick();
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glutPostRedisplay();
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}
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void
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visible(int state)
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{
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if (state == GLUT_VISIBLE) {
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if (moving)
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glutIdleFunc(animate);
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} else {
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if (moving)
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glutIdleFunc(NULL);
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}
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}
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/* ARGSUSED1 */
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void
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keyboard(unsigned char ch, int x, int y)
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{
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switch (ch) {
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case ' ':
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if (!moving) {
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tick();
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glutPostRedisplay();
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}
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break;
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case 27: /* ESC */
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exit(0);
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break;
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}
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}
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#define ADD_PLANE 1
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#define REMOVE_PLANE 2
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#define MOTION_ON 3
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#define MOTION_OFF 4
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#define QUIT 5
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void
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menu(int item)
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{
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switch (item) {
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case ADD_PLANE:
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add_plane();
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break;
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case REMOVE_PLANE:
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remove_plane();
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break;
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case MOTION_ON:
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moving = GL_TRUE;
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glutChangeToMenuEntry(3, "Motion off", MOTION_OFF);
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glutIdleFunc(animate);
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break;
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case MOTION_OFF:
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moving = GL_FALSE;
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glutChangeToMenuEntry(3, "Motion", MOTION_ON);
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glutIdleFunc(NULL);
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break;
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case QUIT:
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exit(0);
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break;
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}
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}
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int
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main(int argc, char *argv[])
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{
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glutInit(&argc, argv);
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/* use multisampling if available */
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glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH | GLUT_MULTISAMPLE);
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glutCreateWindow("glutplane");
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glutDisplayFunc(draw);
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glutKeyboardFunc(keyboard);
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glutVisibilityFunc(visible);
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glutCreateMenu(menu);
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glutAddMenuEntry("Add plane", ADD_PLANE);
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glutAddMenuEntry("Remove plane", REMOVE_PLANE);
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glutAddMenuEntry("Motion", MOTION_ON);
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glutAddMenuEntry("Quit", QUIT);
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glutAttachMenu(GLUT_RIGHT_BUTTON);
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/* setup OpenGL state */
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glClearDepth(1.0);
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glMatrixMode(GL_PROJECTION);
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glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 20);
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glMatrixMode(GL_MODELVIEW);
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/* add three initial random planes */
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srandom(getpid());
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add_plane();
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add_plane();
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add_plane();
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/* start event processing */
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glutMainLoop();
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return 0; /* ANSI C requires main to return int. */
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}

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