Flip the scrolling horizontally instead of vertically

src/bullet.cpp

@@ -22,20 +22,20 @@ Bullet::Bullet( uint16_t lx, uint16_t ly, uint8_t id )
     
     if (ID==0)
     {
-        sx = 0;
-        sy = libnum::num( -6 );
+        sx = libnum::num( 6 );
+        sy = 0;
         strength = 5;
     }
     else if (ID==1)
     {
-        sx = 0;
-        sy = libnum::num( -3 );
+        sx = libnum::num( 3 );
+        sy = 0;
         strength = 2;
     }
     else if (ID==2)
     {
-        sx = 0;
-        sy = libnum::num( -6 );
+        sx = libnum::num( 3 );
+        sy = 0;
         strength = 1;
     }
     toberemoved = false;
@@ -53,7 +53,7 @@ void Bullet::Update( float dt )
     x += sx * a;
     y += sy * a;
 
-    if (y<-10) toberemoved=true;
+    if (x<-10 || x>azrp_width+10 || y<-10 || y>azrp_height+10) toberemoved=true;
 }
 
 void Bullet::Render( )
@@ -63,17 +63,17 @@ void Bullet::Render( )
 
     if (ID==0)
     {
-        azrp_image_p8( px-4, py-11, &img_bullet_normal, DIMAGE_NONE );
+        azrp_image_p8( px-img_bullet_normal.width/2, py-img_bullet_normal.height/2, &img_bullet_normal, DIMAGE_NONE );
         return;
     }
     else if (ID==1)
     {
-        azrp_image_p8( px-4, py-11, &img_bullet_blue, DIMAGE_NONE );
+        azrp_image_p8( px-img_bullet_blue.width/2, py-img_bullet_blue.height/2, &img_bullet_blue, DIMAGE_NONE );
         return;
     }
     else if (ID==2)
     {
-        azrp_image_p8( px-4, py-11, &img_bullet_laser, DIMAGE_NONE );
+        azrp_image_p8( px-img_bullet_laser.width/2, py-img_bullet_laser.height/2, &img_bullet_laser, DIMAGE_NONE );
         return;
     }
 }

src/collections.cpp

@@ -18,45 +18,45 @@ void Create_Player_Shoot( uint8_t id )
 
     if (id==0)
     {
-        Bullet *b = new Bullet( (int) MyPlayer->x, (int) MyPlayer->y-21, id );
+        Bullet *b = new Bullet( (int) MyPlayer->x+21, (int) MyPlayer->y, id );
         MyPlayerBullets.push_back( b );
     }
     else if (id==1)
     {
-        Bullet *b1 = new Bullet( (int) MyPlayer->x-17, (int) MyPlayer->y, id );
+        Bullet *b1 = new Bullet( (int) MyPlayer->x, (int) MyPlayer->y-17, id );
         MyPlayerBullets.push_back( b1 );
         
-        Bullet *b2 = new Bullet( (int) MyPlayer->x+17, (int) MyPlayer->y, id );
+        Bullet *b2 = new Bullet( (int) MyPlayer->x, (int) MyPlayer->y+17, id );
         MyPlayerBullets.push_back( b2 );
     }
     else if (id==2)
     {
-        Bullet *b1 = new Bullet( (int) MyPlayer->x, (int) MyPlayer->y-21, id );
+        Bullet *b1 = new Bullet( (int) MyPlayer->x+21, (int) MyPlayer->y, id );
         MyPlayerBullets.push_back( b1 );
         
-        Bullet *b2 = new Bullet( (int) MyPlayer->x+17, (int) MyPlayer->y, id );
+        Bullet *b2 = new Bullet( (int) MyPlayer->x, (int) MyPlayer->y-17, id );
         MyPlayerBullets.push_back( b2 );
         
-        Bullet *b3 = new Bullet( (int) MyPlayer->x-17, (int) MyPlayer->y, id );
+        Bullet *b3 = new Bullet( (int) MyPlayer->x, (int) MyPlayer->y+17, id );
         MyPlayerBullets.push_back( b3 );
     }
 }
 
 void Create_Ennemies( void )
 {
-    Enemy* e1 = new Enemy( 198, 50, 0);
-    e1->Set_Speed_Vector( 1, -6, 1 );
+    Enemy* e1 = new Enemy( 348, 112, 0);
+    e1->Set_Speed_Vector( 1, 1, -6 );
     MyEnemies.push_back( e1 );
 
-    Enemy* e2 = new Enemy( 198, 50, 0);
-    e2->Set_Speed_Vector( 1, 6, 1 );
+    Enemy* e2 = new Enemy( 348, 112, 0);
+    e2->Set_Speed_Vector( 1, 1, 6 );
     MyEnemies.push_back( e2 );
 
-    Enemy* e3 = new Enemy( 198, 50, 1);
-    e3->Set_Speed_Vector( 1, -3, 3 );
+    Enemy* e3 = new Enemy( 348, 112, 1);
+    e3->Set_Speed_Vector( 1, 3, -3 );
     MyEnemies.push_back( e3 );
 
-    Enemy* e4 = new Enemy( 198, 50, 1);
+    Enemy* e4 = new Enemy( 348, 112, 1);
     e4->Set_Speed_Vector( 1, 3, 3 );
     MyEnemies.push_back( e4 );
 }

src/enemy.cpp

@@ -11,8 +11,8 @@ Enemy::Enemy( int16_t _x, int16_t _y, uint8_t _id )
     x = libnum::num( _x );
     y = libnum::num( _y );
 
-    dirx = -6;
-    diry = 1;
+    dirx = 1;
+    diry = -6;
 
     ID = _id;
 

src/impact.cpp

@@ -35,5 +35,5 @@ void Impact::Render( void )
     uint8_t dximg = framecount * 15;
     uint8_t sz = framecount;
 
-    azrp_subimage_p8( x-sz, y-sz, &img_emp_circ, dximg+7-sz, 7-sz, sz*2, sz*2, DIMAGE_NONE ); 
+    azrp_subimage_p8( x-sz, y-sz, &img_emp_circ, dximg+7-sz, 7-sz, sz*2+1, sz*2+1, DIMAGE_NONE ); 
 };

src/main.cpp

@@ -369,7 +369,7 @@ int main(void)
     Create_Ennemies( );
 
 
-    MyPlayer = new Player( azrp_width/2, azrp_height/2, 0);
+    MyPlayer = new Player( azrp_width/4, azrp_height/2, 0);
 
 
     usb_interface_t const *interfaces[] = { &usb_ff_bulk, NULL };

src/pixellistshader.cpp

@@ -1,54 +0,0 @@
-#include <azur/gint/render.h>
-#include "MyAzurShaders.h"
-#include "starfield.h"
-#include <vector>
-
-
-uint8_t AZRP_SHADER_PIXELLIST = -1;
-
-
-__attribute__((constructor))
-static void register_shader(void)
-{
-    extern azrp_shader_t azrp_shader_pixellist;
-    AZRP_SHADER_PIXELLIST = azrp_register_shader(azrp_shader_pixellist);
-}
-
-
-void azrp_shader_pixellist_configure(void)
-{
-    azrp_set_uniforms(AZRP_SHADER_PIXELLIST, (void *)azrp_width);
-}
-
-
-struct command {
-    uint8_t shader_id;
-    uint16_t length;
-    Pixel * const *data;
-};
-
-
-void azrp_pixellist(std::vector<Pixel*> const &list, int fragnum )
-{
-    prof_enter(azrp_perf_cmdgen);
-
-    struct command cmd;
-    cmd.shader_id = AZRP_SHADER_PIXELLIST;
-    cmd.length = list.size();
-    cmd.data = list.data();
-
-    azrp_queue_command(&cmd, sizeof cmd, fragnum, 1);
-    prof_leave(azrp_perf_cmdgen);
-}
-
-
-void azrp_shader_pixellist( void *uniforms, void *comnd, void *fragment )
-{
-    struct command *cmd = (struct command *) comnd;
-    uint16_t *frag = (uint16_t *) fragment;
-
-    for(int i = 0; i < cmd->length; i++) {
-        Pixel *pix = cmd->data[i];
-        frag[azrp_width * pix->y + pix->x] = pix->c;
-    }
-}

src/pixelshader.cpp

@@ -1,60 +0,0 @@
-#include <azur/gint/render.h>
-#include "MyAzurShaders.h"
-
-
-uint8_t AZRP_SHADER_PIXEL = -1;
-
-
-__attribute__((constructor))
-static void register_shader(void)
-{
-    extern azrp_shader_t azrp_shader_pixel;
-    AZRP_SHADER_PIXEL = azrp_register_shader(azrp_shader_pixel);
-}
-
-
-void azrp_shader_pixel_configure(void)
-{
-    azrp_set_uniforms(AZRP_SHADER_PIXEL, (void *)azrp_width);
-}
-
-
-struct command {
-   uint8_t shader_id;
-   uint16_t x;
-   uint16_t y;
-   uint16_t color;
-};
-
-
-void azrp_pixel(int x1, int y1, int color)
-{
-    prof_enter(azrp_perf_cmdgen);
-
-    if(x1 >= azrp_width || x1 < 0 || y1 >= azrp_height || y1 < 0) {
-        prof_leave(azrp_perf_cmdgen);
-        return;
-    }
-
-    int frag_first = y1 >> 4;
-    int frag_count = 1;
-    int first_offset = y1 & 15;
-
-    struct command cmd;
-    cmd.shader_id = AZRP_SHADER_PIXEL;
-    cmd.y = first_offset;
-    cmd.x = x1;
-    cmd.color = color;
-
-    azrp_queue_command(&cmd, sizeof cmd, frag_first, 1);
-    prof_leave(azrp_perf_cmdgen);
-}
-
-
-void azrp_shader_pixel( void *uniforms, void *command, void *fragment )
-{
-    struct command *cmd = (struct command *) command;
-    uint16_t *frag = (uint16_t *) fragment;
-    
-    frag[azrp_width * cmd->y + cmd->x] = cmd->color;
-}

src/starfield.cpp

@@ -15,12 +15,13 @@
 
 Star::Star( void )
 {
-    x = rand() % 396;
+    x = libnum::num( rand() % 396 );
     y = libnum::num( rand() % 224 );
 
     size = 1 + ( rand() % 4 );
 
-    sy = libnum::num( size );
+    sx = libnum::num( -1*size );
+    sy = 0;
 
     int colorrandom = rand() % 4;
 
@@ -43,12 +44,14 @@ void Star::Update( libnum::num dt )
 {  
     //libnum::num a = libnum::num( dt / 12000.0f );
     //y += sy * a;
-    y+= sy * dt;
+    x += sx * dt;
+    y += sy * dt;
 
-    if (y >= 224)
+
+    if (y<-3 || y > 226 || x<-3 || x>398)
     {
-        x = rand() % 396;
-        y = libnum::num( 0 );
+        x = 396;
+        y = libnum::num( rand() % 224 );
     }
 }
 

src/starfield.h

@@ -16,8 +16,9 @@ class Star
         void Update( libnum::num dt );
 
 
-        uint16_t x;
+        libnum::num x;
         libnum::num y;
+        libnum::num sx;
         libnum::num sy;
         uint8_t  size;
         uint16_t color;

src/starfieldshader.cpp

@@ -281,7 +281,7 @@ void azrp_starfield( void )
 
     for(int i=0; i<pixels.size(); i++)
     {
-        pixels[i]->y = (pixels[i]->y + pixels[i]->s) % 224;
+        pixels[i]->x = (pixels[i]->x - pixels[i]->s) % 396;
         pixels[i]->frag = pixels[i]->y / 16;
         pixels[i]->off = pixels[i]->y & 15;        
     }