作業1:ellipse、translate、push、rotate、box、pop 有點模仿第4週的程式(太複雜),今天重新慢慢建出來
- 程式碼:
void setup(){
size(500,500,P3D);
}
void draw(){
background(142);
ellipse(width/2, height/2,200 ,200);
translate(width/2, height/2); //把東西,放到畫面中心
pushMatrix(); //第5週教過的 Matrix保護
rotateZ(radians(frameCount)); //對著下面中心旋轉
box(100,30,30); //橫的棒子
popMatrix(); //第5週教過的 Matrix保護
}
- 執行結果:會在畫面中心旋轉
作業2:ellipse、translate、push、rotate、translate、box、pop 接續作業1,再加一個移動,把物體放到「轉盤的中心」
- 程式碼:
//week06_2_ellipse_translate_push_rotate_translate_box_pop
//再加一個移動,把物體放到「轉盤的中心」
void setup(){
size(500,500,P3D);
}
void draw(){
background(142);
ellipse(width/2, height/2,200 ,200);
translate(width/2, height/2); //把東西,放到畫面中心
pushMatrix(); //第5週教過的 Matrix保護
if(mousePressed) rotateZ(radians(frameCount)); //對著下面中心旋轉
translate(-50,0,0);
box(100,30,30); //橫的棒子
popMatrix(); //第5週教過的 Matrix保護
}
作業3:push、translate、rotate、translate、box、pop 接續作業2
- 程式碼:
//week06_3_push_translate_rotate_translate_box_pop
void setup(){
size(500,500,P3D);
}
void draw(){
background(142);
ellipse(width/2, height/2,200 ,200);
translate(width/2, height/2); //把東西,放到畫面中心
pushMatrix(); //第5週教過的 Matrix保護
translate(x,y);
if(mousePressed && mouseButton==RIGHT){
rotateZ(radians(frameCount)); //對著下面中心旋轉
}
translate(-50,0,0);
box(100,30,30); //橫的棒子
popMatrix(); //第5週教過的 Matrix保護
}
float x=0 , y=0;
void mouseDragged(){
x+=mouseX- pmouseX;
y+=mouseY- pmouseY;
}
- 執行結果:按左鍵可以拖移方塊,按右鍵可以旋轉方塊
作業4:sphere、box、push、T_R_T、box、pop 慢慢組合出機器手臂
- 程式碼:
//week06_4_sphere_box_push_T_R_T_box_pop
//慢慢組合出機器手臂
void setup(){
size(500,500,P3D);
}
void draw(){
background(255); //Step00
translate(width/2, height/2); //Step00
sphere(10); //Step04 放個圓球, 當世界中心的參考
box(200, 50, 25); //手肘
fill(252,131,77); //Step00
pushMatrix(); //Step03
translate(x,y); //Step06 發現放100,0很好
if(mousePressed) rotateZ(radians(frameCount)); //Step03
translate(25, 0, 0); //Step02 往右推,讓左端放中心
box(50,25,50); //Step01 小手腕
popMatrix(); //Step03
}
float x=0, y=0; //Step06 會動的位置
void mouseDragged(){ //Step06
x+=mouseX- pmouseX;
y+=mouseY - pmouseY;
println("x:"+x+"y:"+y); //Step07印出來
}
- 執行結果:按住滑鼠,可以拖移、旋轉小方塊
作業5:push、box、push、T_R_T、box、pop、pop 接續作業4
- 程式碼:
//week06_5_push_box_push_T_R_T_box_pop_pop
//慢慢組合出機器手臂
void setup(){
size(500,500,P3D);
}
void draw(){
background(255); //Step00
translate(width/2, height/2); //Step00
sphere(10); //Step04 放個圓球, 當世界中心的參考
fill(252,131,77);
pushMatrix(); //Step04 新的一組
translate(x,y); //Steop05 新的轉動
//Step03 把程式往右縮排
box(200, 50, 25); //Step05 手肘(剛剛放錯位置)
pushMatrix(); //Step03 把程式往右縮排
translate(100,0); //Step06 把前一步發現放100,0放好
//if(mousePressed) rotateZ(radians(frameCount)); //Step02把剛剛的if(mousePressed) 刪掉
rotateZ(radians(frameCount)); //Step02 只轉動
translate(25, 0, 0); //Step02 往右推,讓左端放中心
box(50,25,50); //Step01 小手腕
popMatrix(); //Step03 把程式往右縮排
popMatrix(); //新的一組
}
float x=0, y=0; //Step06 會動的位置
void mouseDragged(){ //Step06
x+=mouseX- pmouseX;
y+=mouseY - pmouseY;
println("x:"+x+"y:"+y); //Step07印出來
}
- 執行結果:小方塊會一直轉動,按住滑鼠可以拖移整個方塊
作業6:push、box、push、T_R_T、box、pop、pop 接續作業5
- 程式碼:
//week06_6_push_box_push_T_R_T_box_pop_pop
//慢慢組合出機器手臂
void setup(){
size(500,500,P3D);
}
void draw(){
background(255);
translate(width/2, height/2);
sphere(10);
fill(252,131,77);
pushMatrix(); //Step04 push
//Step05 裡面要往右縮一個TAB
box(50,200,25); //Step03:手臂
pushMatrix();
translate(x,y); //Step03 掛到手臂上面, 觀察到0,-100
if(mousePressed) rotateZ(radians(frameCount)); //Step02: 把旋轉放入
translate(100,0); //Step01:把手肘的移動量100,0放入
box(200, 50, 25); //手肘
pushMatrix();
translate(100,0);
rotateZ(radians(frameCount));
translate(25, 0, 0);
box(50,25,50); //Step01 小手腕
popMatrix();
popMatrix();
popMatrix(); //Step04 pop
}
float x=0, y=0; //Step06 會動的位置
void mouseDragged(){ //Step06
x+=mouseX- pmouseX;
y+=mouseY - pmouseY;
println("x:"+x+"y:"+y); //Step07印出來
}
- 執行結果:
作業7:push、RRT、many、TRT、inside、pop 接續作業6
- 程式碼:
//week06_7_push_RRT_many_TRT_inside_pop
//慢慢組合出機器手臂
void setup(){
size(500,800,P3D); //Step00: 把視窗變長一點,看起來比較完整
}
void draw(){
background(255);
translate(width/2, height/2);
sphere(10); //黑球是中心
fill(252,131,77);
pushMatrix();
if(mousePressed && mouseButton==RIGHT) rotateY(radians(frameCount)); //Step03: 右鍵旋轉
if(mousePressed && mouseButton==RIGHT) rotateZ(radians(frameCount)); //Step02: 右鍵旋轉
translate(0,-100); //Step01: 要往上抬升,把關節到中心
box(50,200,25); //手臂
pushMatrix();
translate(0,-100); //Step00 掛到手臂上面, 觀察到0,-100
//if(mousePressed) rotateZ(radians(frameCount)); //Step00: 把if(mousePressed)刪掉,讓他一直轉
rotateZ(radians(frameCount));
translate(100,0);
box(200, 50, 25); //手肘
pushMatrix();
translate(100,0);
rotateZ(radians(frameCount));
translate(25, 0, 0);
box(50,25,50); //Step01 小手腕
popMatrix();
popMatrix();
popMatrix(); //Step04 pop
}
float x=0, y=0; //Step06 會動的位置
void mouseDragged(){ //Step06
x+=mouseX- pmouseX;
y+=mouseY - pmouseY;
println("x:"+x+"y:"+y); //Step07印出來
}
- 執行結果:按右鍵整個手臂都會轉動





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