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Moving more playdate files around, adding a playdate-specific gitignore to the subdirectory and adding an easter egg.

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Rezmason
2022-06-06 19:18:59 -07:00
parent fadc1ed639
commit 346bbbb84d
7 changed files with 45 additions and 40 deletions
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playdate/matrix_c/Source/images/matrix-glyphs.png
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37
playdate/matrix_c/main.c
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@@ -6,7 +6,6 @@
// Read the LICENSE file if you want to
//
// #include <stdio.h>
#include <stdlib.h>
#include <math.h>
@@ -29,7 +28,9 @@ static int numColumns;
static int numRows;
static int numCells;
static const int numGlyphs = 133;
static const int numStandardGlyphs = 133;
static const int numPDGlyphs = 10;
static const int numTotalGlyphs = numStandardGlyphs + numPDGlyphs;
static const int numFades = 32;
static const float minSpeed = 0.15;
@@ -75,19 +76,12 @@ static void init()
int fadeGradientWidth;
pd->graphics->getBitmapData(fadeGradient, &fadeGradientWidth, NULL, NULL, NULL, NULL);
LCDBitmap *fadeGradientTransparent = pd->graphics->loadBitmap("images/fade-gradient-transparent", NULL);
int wrongWidth;
pd->graphics->getBitmapData(fadeGradientTransparent, &wrongWidth, NULL, NULL, NULL, NULL);
pd->system->logToConsole("%i should be 512", wrongWidth);
glyphs = pd->system->realloc(NULL, sizeof(LCDBitmap *) * numGlyphs * numFades);
glyphs = pd->system->realloc(NULL, sizeof(LCDBitmap *) * numTotalGlyphs * numFades);
LCDBitmap *glyph = pd->graphics->newBitmap(glyphWidth, glyphWidth, kColorBlack);
pd->graphics->pushContext(glyph);
for (int i = 0; i < numGlyphs; i++) {
for (int i = 0; i < numTotalGlyphs; i++) {
int column = i % spritesheetColumns;
int row = i / spritesheetColumns;
pd->graphics->drawBitmap(glyphSpritesheet, -column * glyphWidth, -row * glyphWidth, kBitmapUnflipped);
@@ -121,7 +115,7 @@ static void init()
cell->glyphCycle = randf();
cell->columnTimeOffset = columnTimeOffset;
cell->columnSpeedOffset = columnSpeedOffset;
cell->glyphIndex = rand() % numGlyphs;
cell->glyphIndex = rand() % numStandardGlyphs;
cell->fadeIndex = -1;
}
}
@@ -148,6 +142,10 @@ static int update(void* ud)
pd->system->resetElapsedTime();
time += delta;
PDButtons currentButtons;
pd->system->getButtonState(&currentButtons, NULL, NULL);
int addPDGlyphs = currentButtons & kButtonA && currentButtons & kButtonB;
for (int i = 0; i < numCells; i++) {
int mustDraw = 0;
Cell *cell = &cells[i];
@@ -171,13 +169,18 @@ static int update(void* ud)
cell->glyphCycle = cell->glyphCycle + delta * 2;
if (cell->glyphCycle > 1) {
cell->glyphCycle = fmod(cell->glyphCycle, 1);
int glyphIndex = (cell->glyphIndex + (rand() % 20)) % numGlyphs;
if (cell->glyphIndex != glyphIndex) {
cell->glyphIndex = glyphIndex;
if (fadeIndex < numFades - 1) {
mustDraw = 1;
int lastGlyphIndex = cell->glyphIndex;
while (cell->glyphIndex == lastGlyphIndex) {
cell->glyphIndex = rand();
if (addPDGlyphs && rand() % 4 == 0) {
cell->glyphIndex = numStandardGlyphs + cell->glyphIndex % numPDGlyphs;
} else {
cell->glyphIndex = cell->glyphIndex % numStandardGlyphs;
}
}
if (fadeIndex < numFades - 1) {
mustDraw = 1;
}
}
if (mustDraw) {