【2.8寸TFT LCD液晶触摸屏模块试用体验】立方体演示

#include 

#include "STM32_TFT_8bit.h"



STM32_TFT_8bit tft;



#define BACK_COLOR WHITE  // You can change



const float sin_d = {

  0, 0.17, 0.34, 0.5, 0.64, 0.77, 0.87, 0.94, 0.98, 1, 0.98, 0.94,

  0.87, 0.77, 0.64, 0.5, 0.34, 0.17, 0, -0.17, -0.34, -0.5, -0.64,

  -0.77, -0.87, -0.94, -0.98, -1, -0.98, -0.94, -0.87, -0.77,

  -0.64, -0.5, -0.34, -0.17

};

const float cos_d = {

  1, 0.98, 0.94, 0.87, 0.77, 0.64, 0.5, 0.34, 0.17, 0, -0.17, -0.34,

  -0.5, -0.64, -0.77, -0.87, -0.94, -0.98, -1, -0.98, -0.94, -0.87,

  -0.77, -0.64, -0.5, -0.34, -0.17, 0, 0.17, 0.34, 0.5, 0.64, 0.77,

  0.87, 0.94, 0.98

};

const float d = 5;

float cube1_px = {

  -d,  d,  d, -d, -d,  d,  d, -d

};

float cube1_py = {

  -d, -d,  d,  d, -d, -d,  d,  d

};

float cube1_pz = {

  -d, -d, -d, -d,  d,  d,  d,  d

};



float cube1_p2x = {

  0, 0, 0, 0, 0, 0, 0, 0

};

float cube1_p2y = {

  0, 0, 0, 0, 0, 0, 0, 0

};



int cube1_r = {

  0, 0, 0

};

const float d2 = 10;

float cube2_px = {

  -d2,  d2,  d2, -d2, -d2,  d2,  d2, -d2

};

float cube2_py = {

  -d2, -d2,  d2,  d2, -d2, -d2,  d2,  d2

};

float cube2_pz = {

  -d2, -d2, -d2, -d2,  d2,  d2,  d2,  d2

};



float cube2_p2x = {

  0, 0, 0, 0, 0, 0, 0, 0

};

float cube2_p2y = {

  0, 0, 0, 0, 0, 0, 0, 0

};



int cube2_r = {

  0, 0, 0

};



uint16 cube1_x, cube1_y, cube2_x, cube2_y, cube1_color, cube2_color;





void cube(float *px, float *py, float *pz, float *p2x, float *p2y, int *r, uint16 *x, uint16 *y, uint16 *color) {



  for (int i = 0; i < 3; i++) {

    tft.drawLine(p2x, p2y, p2x, p2y, BACK_COLOR);

    tft.drawLine(p2x, p2y, p2x, p2y, BACK_COLOR);

    tft.drawLine(p2x, p2y, p2x, p2y, BACK_COLOR);

  }

  tft.drawLine(p2x, p2y, p2x, p2y, BACK_COLOR);

  tft.drawLine(p2x, p2y, p2x, p2y, BACK_COLOR);

  tft.drawLine(p2x, p2y, p2x, p2y, BACK_COLOR);



  r = r + 1;

  r = r + 1;

  if (r == 36) r = 0;

  if (r == 36) r = 0;

  if (r == 36) r = 0;

  for (int i = 0; i < 8; i++)

  {

    float px2 = px;

    float py2 = cos_d] * py - sin_d] * pz;

    float pz2 = sin_d] * py + cos_d] * pz;



    float px3 = cos_d] * px2 + sin_d] * pz2;

    float py3 = py2;

    float pz3 = -sin_d] * px2 + cos_d] * pz2;



    float ax = cos_d] * px3 - sin_d] * py3;

    float ay = sin_d] * px3 + cos_d] * py3;

    float az = pz3 - 190;



    p2x = *x + ax * 500 / az;

    p2y = *y + ay * 500 / az;

  }



  for (int i = 0; i < 3; i++) {

    tft.drawLine(p2x, p2y, p2x, p2y, *color);

    tft.drawLine(p2x, p2y, p2x, p2y, *color);

    tft.drawLine(p2x, p2y, p2x, p2y, *color);

  }

  tft.drawLine(p2x, p2y, p2x, p2y, *color);

  tft.drawLine(p2x, p2y, p2x, p2y, *color);

  tft.drawLine(p2x, p2y, p2x, p2y, *color);

}





void setup() {

  delay(1000);

  Serial.begin(9600);

  Serial.println("STM32_TFT_8bit Test!"); 



  uint32_t ID = tft.readID();

  Serial.print("Device ID: 0x"); Serial.println(ID, HEX);

  tft.begin(ID);



  uint32_t width = tft.width();

  Serial.print("Width: "); Serial.println(width);

  uint32_t height = tft.height();

  Serial.print("Height: "); Serial.println(height);

  

  tft.fillScreen(BACK_COLOR);

  cube1_x = ((tft.width()) / 4);

  cube1_y = ((tft.height()) / 4);

  cube2_x = ((tft.width()) / 2);

  cube2_y = ((tft.height()) / 2);

  cube1_color = BLACK;

  cube2_color = RED;



  uint16 x = 0;

  for (uint32_t n = 247583650 ; n > 247400000 ; n--) {

    x = sqrt (n);

    cube(cube1_px, cube1_py, cube1_pz, cube1_p2x, cube1_p2y, cube1_r, &cube1_x, &cube1_y, &cube1_color);

    cube(cube2_px, cube2_py, cube2_pz, cube2_p2x, cube2_p2y, cube2_r, &cube2_x, &cube2_y, &cube2_color);

  }



}



void loop() {

}

烧写后运行如下