week13_wendy

電腦圖學 學習日誌

week13

• 主題: 機器人 2.0
• 複習: T-R-T關節轉動
• 複習: GLUT .cbp 專案檔 的設定 (執行目錄、include/lib目錄、link lib檔)
• 實作: 多個關節轉動
• 確認作業4(多個3D模型+GLUT)繳交狀況

(一)設定XXX.cbp能直接開啟到codeblocks

Setting → Environment setting → Manage association

Manage association勾選 ↓

(二)複習聲音、模型、T-R-T

#include <GL/glut.h>

#include "glm.h"

GLMmodel * model=NULL;

GLMmodel * model2=NULL;

///留下打光的部分 (陣列)

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };

const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat light_position[] = { 2.0f, 5.0f, -5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.7f, 0.7f, 0.7f, 1.0f };

const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };

const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };

const GLfloat high_shininess[] = { 100.0f };

float angle[4]={0,0,0,0};///TODO8: 變成很多個陣列!!!

int angleID=0;

int oldX, oldY;///TODO8:

void keyboard(unsigned char key, int x, int y)

{///TODO8:

    if(key=='0') angleID=0;///TODO8:

    if(key=='1') angleID=1;///TODO8:

    if(key=='2') angleID=2;///TODO8:

    if(key=='3') angleID=3;///TODO8:

}

void body(){

    if(model == NULL){

        model = glmReadOBJ("data/Al.obj");

        glmUnitize(model);

        glmFacetNormals(model);

        glmVertexNormals(model,90);

    }

    glPushMatrix();

        glScalef(0.8, 0.8, 0.8);

        glRotatef(180,0,1,0);

        glmDraw(model, GLM_SMOOTH | GLM_MATERIAL );

    glPopMatrix();

}

void aim(){

    if(model2 == NULL){

        model2 = glmReadOBJ("data/porsche.obj");

        glmUnitize(model2);

        glmFacetNormals(model2);

        glmVertexNormals(model2,90);

    }

    glPushMatrix();

        glScalef(0.2, 0.2, 0.2);

        glRotatef(90,0,1,0);

        glmDraw(model2, GLM_SMOOTH | GLM_MATERIAL );

    glPopMatrix();

}

void display(){

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

    body();

    glPushMatrix();/// 右 手臂 TODO6

        glTranslatef(0.3, 0.3, 0);///TODO6: (3)等一下要掛在哪裡

        glRotatef(angle[0], 0,0,1);///TODO6: (1) 有個轉動

        glTranslatef(0.2, 0, 0);///TODO6: (2) 移動轉動的中心

        aim();///右上 手臂 TODO5:

        glPushMatrix();///TODO7:

            glTranslatef(0.2,0,0);///TODO7:

            glRotatef(angle[1], 0,0,1);///TODO7:

            glTranslatef(0.2, 0, 0);///TODO7:

            aim();///TODO7: 右下手臂

        glPopMatrix();///TODO7:

    glPopMatrix();///TODO6

    glPushMatrix();/// 左 手臂 TODO6

        glTranslatef(-0.3, 0.3, 0);///TODO6: (3)等一下要掛在哪裡

        glRotatef(angle[2], 0,0,1);///TODO6: (1) 有個轉動

        glTranslatef(-0.2, 0, 0);///TODO6: (2) 移動轉動的中心

        aim();///左上 手臂 TODO5:

        glPushMatrix();///TODO7:

            glTranslatef(-0.2,0,0);///TODO7:

            glRotatef(angle[3], 0,0,1);///TODO7:

            glTranslatef(-0.2, 0, 0);///TODO7:

            aim();///TODO7: 左下手臂

        glPopMatrix();///TODO7:

    glPopMatrix();///TODO6

    glutSwapBuffers();

}

void mouse(int button, int state, int x, int y)///TODO8:

{///TODO8:

    oldX=x; oldY=y;///TODO8:

}

void motion(int x, int y)///TODO6

{

    angle[angleID] += (x-oldX);///TODO8

    oldX = x;///TODO8:

    glutPostRedisplay();///TODO6

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("Week13");

    glutDisplayFunc(display);

    glutMotionFunc(motion);

    glutMouseFunc(mouse);///TODO8:

    glutKeyboardFunc(keyboard);

    ///留下下面的打光相關的函式....

    glEnable(GL_DEPTH_TEST);

    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);

    glEnable(GL_NORMALIZE);

    glEnable(GL_COLOR_MATERIAL);

    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);

    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);

    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);

    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);

    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);

    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);

    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);

    glutMainLoop();

}