Wiggle experiments

examples/PoolBox/application/src/Objects/paco.cpp

@@ -9,13 +9,16 @@ namespace object {
         this->tex_page.concat(this->sprite);
     }
 
-    void Paco :: update() {
+    bool Paco :: update() {
         if(this->timer.is_expired_for(325_ms)) {
             static constexpr uint8_t LastIDX = (sizeof(Paco::Colors)/sizeof(Paco::Colors[0])) - 1;
         
             this->color_idx = (this->color_idx == LastIDX) ? 0 : this->color_idx + 1;
             this->timer.reset();
+            return true;
         }
+
+        return false;
     }
 
     void Paco :: render() {

examples/PoolBox/application/src/Objects/paco.hpp

@@ -30,7 +30,7 @@ namespace object {
             color_idx(0) {}
 
             void setup();
-            void update();
+            bool update();
             void render();
     };
 }

examples/PoolBox/application/src/main.cpp

@@ -15,6 +15,7 @@ using NewFontWriter = ::JabyEngine::FontWriter;
 static object::Paco  paco;
 static FontPrimitive font_buffer[2][256];
 static NewFontWriter new_font_writer;
+static uint8_t       wiggle_count = 0;
 
 static void setup() {
     static constexpr auto FontTIM = SimpleTIM(320, 0, 320, DefaultFont::Info.VRAMSize.height);
@@ -34,8 +35,10 @@ static void update() {
     const auto end_pos = cursor.write(FontWriter::Position::create(0, 32), "Cody is cute\n&\na \x1b[8;0;0mBAAAAABY!!!");
     cursor.write(end_pos, "\x1b[0;7;7mJaby was\nhere c:");
 
-    new_font_writer.write(Make::PositionI16(8, 8), "012345 ABCDEFGHIJKL\nabcedfghijkl");
-    paco.update();
+    new_font_writer.write(Make::PositionI16(8, 8), "012345 ABCDEFGHIJKL\nabcedfghijkl", GPU::Color24::Blue(), wiggle_count);
+    if(paco.update()) {
+        wiggle_count++;
+    }wiggle_count++;
 }
 
 static void render() {

support/include/FontWriter/font_writer.hpp

@@ -24,7 +24,7 @@ namespace JabyEngine {
             FontWriter::setup(buffer_info, vram_dst, Make::SizeI16(font_info.FontSize.width, font_info.FontSize.height));
         }
 
-        GPU::PositionI16 write(GPU::PositionI16 pos, const char* str);
+        GPU::PositionI16 write(GPU::PositionI16 pos, const char* str, GPU::Color24 color = GPU::Color24::Grey(), uint8_t wiggle_count = 0);
         void             render();
     };
 }

support/src/FontWriter/src/font_writer.cpp

@@ -4,6 +4,8 @@
 #include <stdio.h>
 
 namespace JabyEngine {
+    static constexpr int8_t WiggleValues[] = {0, 3, 5, 1, -2, -5, -4, 1};//{0, 2, 6, 2, 0, -2, -6, -2};
+
     void FontWriter :: setup(const FontBufferInfo& buffer_info, const SimpleTIM& vram_dst, const GPU::SizeI16& font_size) {
         this->prim_buffer   = buffer_info;
         this->tex_page      = Make::TexPage(vram_dst.get_texture_position(), GPU::TexturePageColor::$4bit).linked();
@@ -19,7 +21,7 @@ namespace JabyEngine {
         }
     }
 
-    GPU::PositionI16 FontWriter :: write(GPU::PositionI16 pos, const char* str) {
+    GPU::PositionI16 FontWriter :: write(GPU::PositionI16 pos, const char* str, GPU::Color24 color, uint8_t wiggle_count) {
         const auto* primitive_end = &this->prim_buffer.double_buffer[GPU::Display::current_id][this->prim_buffer.single_buffer_length];
         const auto  font_size     = this->prim_buffer.double_buffer[0][0]->size;
         const auto  row_count     = 256/font_size.width;
@@ -41,13 +43,14 @@ namespace JabyEngine {
             auto& primitive = *this->cur_primitive++;
 
             primitive->position   = pos;
+            primitive->position.move(0, -WiggleValues[wiggle_count&0b111]);
             primitive->tex_offset = GPU::PageOffset::from_tile_id(cur_char - '!', row_count, font_size);
-            primitive->color      = GPU::Color24::Grey();
+            primitive->color      = color;
             primitive.concat(*this->cur_primitive);
 
             pos.move(primitive->size.width, 0);
+            wiggle_count++;
         }
-
         return pos;
     }