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Per-layer tinting and scaling

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Shylie
2024-05-16 23:51:45 -05:00
parent 325ef5167d
commit e3a65072d8
5 changed files with 175 additions and 64 deletions
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24
examples/basic.cpp
View File

@@ -6,15 +6,15 @@ namespace
{
void init()
{
glerminal_update_sprite(0xFF00007F, {
0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F,
0x00FF007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0x00FF007F,
0x00FF007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0x00FF007F,
0x00FF007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0x00FF007F,
0x00FF007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0x00FF007F,
0x00FF007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0x00FF007F,
0x00FF007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0xFF00007F, 0x00FF007F,
0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F, 0x00FF007F
glerminal_update_sprite(1, {
0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00,
0x5000FF00, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x5000FF00,
0x5000FF00, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x5000FF00,
0x5000FF00, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x5000FF00,
0x5000FF00, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x5000FF00,
0x5000FF00, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x5000FF00,
0x5000FF00, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x500000FF, 0x5000FF00,
0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00, 0x5000FF00
});
}
@@ -37,10 +37,10 @@ namespace
{
for (int j = 0; j < 25; j++)
{
for (int k = 0; k < 8; k++)
for (int k = 0; k < 256; k++)
{
glerminal_set(i, j, k, rand() % 2);
glerminal_offset(i, j, k, (rand() * rand()) % 100 - 50, (rand() * rand()) % 100 - 50);
glerminal_set(i, j, k, rand() % 8 == 0);
glerminal_offset(i, j, k, (rand() * rand()) % 64 - 32, (rand() * rand()) % 64 - 32);
}
}
}

62
examples/towers.cpp
View File

@@ -7,34 +7,25 @@ namespace
{
void init()
{
for (int i = 1; i < 256; i++)
{
constexpr unsigned char c = 16;
const unsigned char v = (255 - c) * powf((i - 1) / 256.0f, 4.0f) + c;
const unsigned int j = (0xFF << 24) | (v << 16) | (v << 8) | v;
glerminal_update_sprite(i,
{
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
j,j,j,j,j,j,j,j,
});
}
for (int i = 0; i < 40; i++)
{
for (int j = 0; j < 25; j++)
glerminal_update_sprite(1,
{
const int c = rand() % 224 + 32;
for (int k = 0; k < c; k++)
{
glerminal_set(i, j, k, k);
}
}
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,
});
for (int i = 0; i < 256; i++)
{
constexpr unsigned char c = 32;
const unsigned char v = (255 - c) * powf((i - 1) / 256.0f, 2.0f) + c;
const unsigned int j = (0xFF << 24) | (v << 16) | (v << 8) | v;
glerminal_layer_color(i, j);
glerminal_layer_scale(i, i / 256.0f + 1);
}
}
@@ -44,7 +35,7 @@ namespace
time += dt;
if (time < 1.0f)
if (time < 0.15f)
{
return;
}
@@ -60,11 +51,20 @@ namespace
{
for (int j = 0; j < 25; j++)
{
const int c = rand() % 224 + 32;
for (int k = 0; k < 256; k++)
{
const float ox = 0.025f * powf(k, 0.8f) * (i - cx);
const float oy = 0.025f * powf(k, 0.8f) * (j - cy);
glerminal_offset(i, j, k, ox, oy);
if (k < c)
{
glerminal_set(i, j, k, 1);
const float ox = 0.01f * k * (i - cx);
const float oy = 0.01f * k * (j - cy);
glerminal_offset(i, j, k, ox + (1 + 0.004f * k) * cosf(c * i + k * 6.28f / 128.0f), oy + (1 + 0.004f * k) * sinf(c * j + k * 6.28f / 128.0f));
}
else
{
glerminal_set(i, j, k, 0);
}
}
}
}