Pokitto Community Team / Sprites

A very impressive direct-to-screen sprites demonstration by Hanski using new graphics functionality developed by him

Dependencies:   PokittoLib

main.cpp@1:1fd9bd036178, 2018-01-05 (annotated)

Committer:
Pokitto
Date:
Fri Jan 05 02:39:54 2018 +0000
Revision:
1:1fd9bd036178
Parent:
0:8652235f92b9 
PokittoLib updated

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 0:8652235f92b9 1 #include "Pokitto.h"
Pokitto 0:8652235f92b9 2 #include "gfxdata.h"
Pokitto 0:8652235f92b9 3 Pokitto::Core mygame;
Pokitto 0:8652235f92b9 4
Pokitto 0:8652235f92b9 5 // MySprite
Pokitto 0:8652235f92b9 6 struct MySprite {
Pokitto 0:8652235f92b9 7 int16_t x,y,w,h,vx,vy;
Pokitto 0:8652235f92b9 8 };
Pokitto 0:8652235f92b9 9
Pokitto 0:8652235f92b9 10 const int16_t speed = 4;
Pokitto 0:8652235f92b9 11 const uint8_t spriteCount = 4;
Pokitto 0:8652235f92b9 12 const uint8_t spriteW = 32, spriteH = 32;
Pokitto 0:8652235f92b9 13 MySprite mySprites[spriteCount];
Pokitto 0:8652235f92b9 14
Pokitto 0:8652235f92b9 15 // Palettes
Pokitto 0:8652235f92b9 16 const uint16_t *palettes[spriteCount] = {
Pokitto 0:8652235f92b9 17 sprite1_pal,
Pokitto 0:8652235f92b9 18 sprite2_pal,
Pokitto 0:8652235f92b9 19 sprite3_pal,
Pokitto 0:8652235f92b9 20 sprite4_pal,
Pokitto 0:8652235f92b9 21 };
Pokitto 0:8652235f92b9 22
Pokitto 0:8652235f92b9 23 int main () {
Pokitto 0:8652235f92b9 24
Pokitto 0:8652235f92b9 25 // Init
Pokitto 0:8652235f92b9 26 int16_t startX = 0, startY = 0;
Pokitto 0:8652235f92b9 27 for(int i=0; i < spriteCount; i++) {
Pokitto 0:8652235f92b9 28
Pokitto 0:8652235f92b9 29 // Set my sprite data.
Pokitto 0:8652235f92b9 30 mySprites[i].x = startX + i*21;
Pokitto 0:8652235f92b9 31 mySprites[i].y = startY + i*21;
Pokitto 0:8652235f92b9 32 mySprites[i].w = spriteW; mySprites[i].h = spriteH;
Pokitto 0:8652235f92b9 33 mySprites[i].vx = speed; mySprites[i].vy = speed;
Pokitto 0:8652235f92b9 34
Pokitto 0:8652235f92b9 35 // Set sprite
Pokitto 0:8652235f92b9 36 mygame.display.setSpriteBitmap(i, sprite_bmp, palettes[i], mySprites[i].x, mySprites[i].y);
Pokitto 0:8652235f92b9 37 }
Pokitto 0:8652235f92b9 38
Pokitto 0:8652235f92b9 39 // Do not clear the background!
Pokitto 0:8652235f92b9 40 mygame.display.persistence = 1;
Pokitto 0:8652235f92b9 41
Pokitto 0:8652235f92b9 42 // Set the palette for the screen buffer
Pokitto 0:8652235f92b9 43 mygame.display.palette[0] = background_pal[0];
Pokitto 0:8652235f92b9 44 mygame.display.palette[1] = background_pal[1];
Pokitto 0:8652235f92b9 45 mygame.display.palette[2] = background_pal[2];
Pokitto 0:8652235f92b9 46 mygame.display.palette[3] = background_pal[3];
Pokitto 0:8652235f92b9 47
Pokitto 0:8652235f92b9 48 mygame.begin();
Pokitto 0:8652235f92b9 49
Pokitto 0:8652235f92b9 50 mygame.setFrameRate(100); // No limits!
Pokitto 0:8652235f92b9 51
Pokitto 0:8652235f92b9 52 // Game loop
Pokitto 0:8652235f92b9 53 uint8_t isFirstRounds = 2;
Pokitto 0:8652235f92b9 54 while(mygame.isRunning()) {
Pokitto 0:8652235f92b9 55
Pokitto 0:8652235f92b9 56 // Draw background
Pokitto 0:8652235f92b9 57 if(isFirstRounds > 0) {
Pokitto 0:8652235f92b9 58 if(mygame.update(false)) { // Update the screen buffer
Pokitto 0:8652235f92b9 59 // Draw the background only in the first rounds.
Pokitto 0:8652235f92b9 60 mygame.display.drawBitmap(0, 0, background_bmp);
Pokitto 0:8652235f92b9 61 isFirstRounds--;
Pokitto 0:8652235f92b9 62 }
Pokitto 0:8652235f92b9 63 }
Pokitto 0:8652235f92b9 64 // Draw mySprites
Pokitto 0:8652235f92b9 65 else {
Pokitto 0:8652235f92b9 66 if (mygame.update(true)) { // Do not update the screen buffer
Pokitto 0:8652235f92b9 67 // Move mySprites
Pokitto 0:8652235f92b9 68 for (int i=0; i < spriteCount; i++) {
Pokitto 0:8652235f92b9 69
Pokitto 0:8652235f92b9 70 int16_t x = mySprites[i].x, y = mySprites[i].y;
Pokitto 0:8652235f92b9 71 int16_t w = mySprites[i].w, h = mySprites[i].h;
Pokitto 0:8652235f92b9 72
Pokitto 0:8652235f92b9 73 // Advance x and y.
Pokitto 0:8652235f92b9 74 x += mySprites[i].vx; y += mySprites[i].vy;
Pokitto 0:8652235f92b9 75
Pokitto 0:8652235f92b9 76 // Bounce from hidden edges
Pokitto 0:8652235f92b9 77 if (x < -spriteW) {
Pokitto 0:8652235f92b9 78 x = -spriteW;
Pokitto 0:8652235f92b9 79 mySprites[i].vx = speed;
Pokitto 0:8652235f92b9 80 }
Pokitto 0:8652235f92b9 81 else if (x >= mygame.display.getWidth() - w + spriteW) {
Pokitto 0:8652235f92b9 82 x = mygame.display.getWidth() - 1 - w + spriteW;
Pokitto 0:8652235f92b9 83 mySprites[i].vx = -speed;
Pokitto 0:8652235f92b9 84 }
Pokitto 0:8652235f92b9 85 if (y < -spriteH) {
Pokitto 0:8652235f92b9 86 y = -spriteH;
Pokitto 0:8652235f92b9 87 mySprites[i].vy = speed;
Pokitto 0:8652235f92b9 88 }
Pokitto 0:8652235f92b9 89 else if (y >= mygame.display.getHeight() - h + spriteH) {
Pokitto 0:8652235f92b9 90 y = mygame.display.getHeight() - 1 - h + spriteH;
Pokitto 0:8652235f92b9 91 mySprites[i].vy = -speed;
Pokitto 0:8652235f92b9 92 }
Pokitto 0:8652235f92b9 93
Pokitto 0:8652235f92b9 94 // Set sprite
Pokitto 0:8652235f92b9 95 mygame.display.setSpritePos(i, x, y);
Pokitto 0:8652235f92b9 96
Pokitto 0:8652235f92b9 97 //
Pokitto 0:8652235f92b9 98 mySprites[i].x = x; mySprites[i].y = y;
Pokitto 0:8652235f92b9 99 }
Pokitto 0:8652235f92b9 100 }
Pokitto 0:8652235f92b9 101 }
Pokitto 0:8652235f92b9 102 }
Pokitto 0:8652235f92b9 103 return 0;
Pokitto 0:8652235f92b9 104 }