120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
#include "mare.h"
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namespace Render {
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Drawable::Drawable(const size_t id, Drawable* parent, Mare* engine):
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_id(id),
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_parent(parent),
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_engine(engine),
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_origin({0,0}),
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_bbox({0,0,0,0}),
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_blendMode(Render::BlendMode::Intersect),
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_dirty(false)
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{
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}
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Drawable::~Drawable() {
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}
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//Point
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DrawablePoint::DrawablePoint(const size_t id, Drawable* parent, Mare* engine, dim_t size):
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Drawable(id, parent,engine),
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_size(size)
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{
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}
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DrawablePoint::~DrawablePoint() {
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}
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void DrawablePoint::render() {
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uint8_t *buf;
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if (isDirty()){
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buf = getBuffer();
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//TODO: implement screen rotation and margin check
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auto dx = engine()->getSize().x;
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auto dy = engine()->getSize().y;
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for (uint16_t xx(0); xx< _size.x; xx++){
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for (uint16_t yy(0); yy < _size.y; yy++)
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{
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engine()->setPixel(buf,dx-(getOrigin().x+xx),getOrigin().y+yy,true);
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}
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}
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resetDirty();
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}
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}
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//Line
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DrawableLine::DrawableLine(const size_t id, Drawable* parent, Mare* engine):
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Drawable(id, parent,engine),
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_thickness(1),
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_lenght(0),
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_rotation(0.0f)
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{
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}
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DrawableLine::~DrawableLine(){
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}
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void DrawableLine::render(){
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uint8_t* buf = getBuffer();
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auto tt = _thickness;
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auto dx = engine()->getSize().x;
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auto dy = engine()->getSize().y;
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auto e = engine();
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auto square = [tt,dy,buf,e](uint16_t x, uint16_t y){ //sprite render
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for (auto xx(0); xx <= tt; ++xx)
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for (auto yy(0); yy <= tt; ++yy){
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e->setPixel(buf,dy-(yy+y),xx+x,true);
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}
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};
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if (isDirty()) {
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_rotation = fmod(_rotation, M_TWOPI);
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float cx,sx;
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sincosf(_rotation,&sx,&cx); // use optimized float instructions
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uint16_t endX = round(cx*(float)_lenght);
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uint16_t endY = round(sx*(float)_lenght);
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if ((_rotation >= -M_PI_4 && _rotation <= M_PI_4) ||
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(_rotation >= 3*M_PI_4 && _rotation <= 5*M_PI_4))
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for(uint16_t xx(0); xx <= endX; ++xx){
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float dydx = cx == 0.0f ? 0 : (sx/cx);
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uint16_t y = getOrigin().y+xx*dydx;
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uint16_t x = getOrigin().x+xx;
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square(x,y);
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}
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else
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for (uint16_t yy(0); yy <= endY; ++yy){
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float dxdy = sx == 0.0f ? 0 : (cx/sx);
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uint16_t y = getOrigin().y+yy;
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uint16_t x = getOrigin().x+yy*dxdy;
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square(x,y);
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}
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resetDirty();
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}
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}
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//Rectangle
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//Circle
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//Character
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//String
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//--------+--------+--------+--------+--------+--------+--------+--------+--------+--------//
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//Custom
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} |