73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
#pragma once
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#include <Figments.h>
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#include <ArduinoLog.h>
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class Blob {
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uint8_t m_pos;
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int8_t m_velocity;
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uint8_t m_hue;
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int16_t m_brightness;
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uint8_t m_saturation;
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int8_t m_fadeDir;
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public:
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Blob()
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: m_pos(0),
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m_velocity(1),
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m_hue(0),
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m_brightness(1),
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m_saturation(200),
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m_fadeDir(1) {}
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void setSaturation(uint8_t v) {
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m_saturation = v;
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}
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void setPos(uint16_t p) {
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m_pos = p;
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m_brightness = p % 120 + 1;
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}
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void setHue(uint8_t p) {
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m_hue = p;
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}
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void setBrightness(uint8_t p) {
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m_brightness = p;
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}
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void setVelocity(int8_t v) {
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m_velocity = v;
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}
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void update() {
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m_pos += m_velocity;
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m_hue += 1;
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m_brightness += m_fadeDir;
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if (m_brightness >= 255 || m_brightness <= 0) {
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m_fadeDir *= -1;
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}
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}
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void render(Display* display) const {
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const uint8_t width = 25;
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auto map = display->coordinateMapping();
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// Grab the physical pixel we'll start with
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//PhysicalCoordinates startPos = map->virtualToPhysicalCoords({m_pos, m_pos});
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//PhysicalCoordinates endPos = map->virtualToPhysicalCoords({m_pos + width, m_pos});
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Surface sfc{display, {m_pos, m_pos}, {qadd8(m_pos, width), qadd8(m_pos, width)}};
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sfc.paintShader([=](CRGB& pixel, const VirtualCoordinates& coords, const PhysicalCoordinates, const VirtualCoordinates& surfaceCoords) {
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uint8_t pixelMod = std::min(surfaceCoords.y, surfaceCoords.x);
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pixelMod = surfaceCoords.x;
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// Blobs desaturate and dim towards their edges
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uint8_t saturation = lerp8by8(0, m_brightness, pixelMod);
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uint8_t val = lerp8by8(0, m_brightness, pixelMod);
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CHSV blobColor(m_hue, m_saturation, val);
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//PhysicalCoordinates pos{startPos.x + (i*m_fadeDir), startPos.y};
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pixel += blend(CRGB(blobColor), pixel, 80);
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});
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}
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};
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