diff options
Diffstat (limited to 'frontends/calculator/CEdev/examples/gfx_buffered_cube/src')
| -rw-r--r-- | frontends/calculator/CEdev/examples/gfx_buffered_cube/src/main.c | 226 |
1 files changed, 113 insertions, 113 deletions
diff --git a/frontends/calculator/CEdev/examples/gfx_buffered_cube/src/main.c b/frontends/calculator/CEdev/examples/gfx_buffered_cube/src/main.c index 422e96c..3843d96 100644 --- a/frontends/calculator/CEdev/examples/gfx_buffered_cube/src/main.c +++ b/frontends/calculator/CEdev/examples/gfx_buffered_cube/src/main.c @@ -1,113 +1,113 @@ -#include <stdbool.h> -#include <stddef.h> -#include <stdint.h> -#include <tice.h> - -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <graphx.h> - -/* Function prototypes */ -void rotate(void); - -/* Globals */ -#define ORG (-50) -#define DEG (6.0) -#define ANG (DEG * M_PI / 180.0) - -/* define the verticies for the two rectangles */ -float face1[4][2] = { - { 140, 45 }, - { 240, 45 }, - { 240, 145 }, - { 140, 145 }, -}; - -float face2[4][2] = { - { 140 + ORG, 45 - ORG }, - { 240 + ORG, 45 - ORG }, - { 240 + ORG, 145 - ORG }, - { 140 + ORG, 145 - ORG }, -}; - -/* declare some globals */ -float sin_angle, - cos_angle; - -float midx1, - midy1, - midx2, - midy2; - -/* Place main code in main */ -void main(void) { - uint8_t loop = 0; - - /* Seed the random numbers */ - srand(rtc_Time()); - - /* Get some main variables set up */ - sin_angle = sin(ANG); - cos_angle = cos(ANG); - midx1 = (face1[0][0] + face1[1][0]) / 2.0; - midy1 = (face1[1][1] + face1[2][1]) / 2.0; - midx2 = (face2[0][0] + face2[1][0]) / 2.0; - midy2 = (face2[1][1] + face2[2][1]) / 2.0; - - /* Start the graphics routines */ - gfx_Begin(); - gfx_SetDrawBuffer(); - - /* Loop until a key is pressed */ - while (!os_GetCSC()) { - - /* Change the color of the cube depending on loop (mod 16) */ - if (!((loop++) & 0xf)) { - gfx_SetColor(rand()); - } - - /* Call the rotation code */ - rotate(); - - /* Swap the buffer with the screen */ - gfx_SwapDraw(); - } - - /* End the graphics */ - gfx_End(); -} - -/* Rotation code */ -void rotate(void) { - uint8_t i, j; - float tmp1, tmp2; - - /* Compute the new vertex coordinates */ - for (i=0; i<4; i++) { - tmp1 = face1[i][0] - midx1; - tmp2 = face1[i][1] - midy1; - - face1[i][0] = midx1 + (tmp1 * cos_angle) - (tmp2 * sin_angle); - face1[i][1] = midy1 + (tmp1 * sin_angle) + (tmp2 * cos_angle); - - tmp1 = face2[i][0] - midx2; - tmp2 = face2[i][1] - midy2; - - face2[i][0] = midx2 + (tmp1 * cos_angle) - (tmp2 * sin_angle); - face2[i][1] = midy2 + (tmp1 * sin_angle) + (tmp2 * cos_angle); - } - - /* Clear the drawing buffer */ - gfx_FillScreen(gfx_white); - - /* Draw the cube */ - for (i=0; i<4; i++) { - j = i + 1 & 3; - gfx_Line(face1[i][0], face1[i][1], face1[j][0], face1[j][1]); - gfx_Line(face2[i][0], face2[i][1], face2[j][0], face2[j][1]); - gfx_Line(face1[i][0], face1[i][1], face2[i][0], face2[i][1]); - } -} +#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <graphx.h>
+
+/* Function prototypes */
+void rotate(void);
+
+/* Globals */
+#define ORG (-50)
+#define DEG (6.0)
+#define ANG (DEG * M_PI / 180.0)
+
+/* define the verticies for the two rectangles */
+float face1[4][2] = {
+ { 140, 45 },
+ { 240, 45 },
+ { 240, 145 },
+ { 140, 145 },
+};
+
+float face2[4][2] = {
+ { 140 + ORG, 45 - ORG },
+ { 240 + ORG, 45 - ORG },
+ { 240 + ORG, 145 - ORG },
+ { 140 + ORG, 145 - ORG },
+};
+
+/* declare some globals */
+float sin_angle,
+ cos_angle;
+
+float midx1,
+ midy1,
+ midx2,
+ midy2;
+
+/* Place main code in main */
+void main(void) {
+ uint8_t loop = 0;
+
+ /* Seed the random numbers */
+ srand(rtc_Time());
+
+ /* Get some main variables set up */
+ sin_angle = sin(ANG);
+ cos_angle = cos(ANG);
+ midx1 = (face1[0][0] + face1[1][0]) / 2.0;
+ midy1 = (face1[1][1] + face1[2][1]) / 2.0;
+ midx2 = (face2[0][0] + face2[1][0]) / 2.0;
+ midy2 = (face2[1][1] + face2[2][1]) / 2.0;
+
+ /* Start the graphics routines */
+ gfx_Begin();
+ gfx_SetDrawBuffer();
+
+ /* Loop until a key is pressed */
+ while (!os_GetCSC()) {
+
+ /* Change the color of the cube depending on loop (mod 16) */
+ if (!((loop++) & 0xf)) {
+ gfx_SetColor(rand());
+ }
+
+ /* Call the rotation code */
+ rotate();
+
+ /* Swap the buffer with the screen */
+ gfx_SwapDraw();
+ }
+
+ /* End the graphics */
+ gfx_End();
+}
+
+/* Rotation code */
+void rotate(void) {
+ uint8_t i, j;
+ float tmp1, tmp2;
+
+ /* Compute the new vertex coordinates */
+ for (i=0; i<4; i++) {
+ tmp1 = face1[i][0] - midx1;
+ tmp2 = face1[i][1] - midy1;
+
+ face1[i][0] = midx1 + (tmp1 * cos_angle) - (tmp2 * sin_angle);
+ face1[i][1] = midy1 + (tmp1 * sin_angle) + (tmp2 * cos_angle);
+
+ tmp1 = face2[i][0] - midx2;
+ tmp2 = face2[i][1] - midy2;
+
+ face2[i][0] = midx2 + (tmp1 * cos_angle) - (tmp2 * sin_angle);
+ face2[i][1] = midy2 + (tmp1 * sin_angle) + (tmp2 * cos_angle);
+ }
+
+ /* Clear the drawing buffer */
+ gfx_FillScreen(gfx_white);
+
+ /* Draw the cube */
+ for (i=0; i<4; i++) {
+ j = i + 1 & 3;
+ gfx_Line(face1[i][0], face1[i][1], face1[j][0], face1[j][1]);
+ gfx_Line(face2[i][0], face2[i][1], face2[j][0], face2[j][1]);
+ gfx_Line(face1[i][0], face1[i][1], face2[i][0], face2[i][1]);
+ }
+}
|