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Fix wave on different dps

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This commit is contained in:
iota97 2021-09-09 11:58:02 +02:00
parent f9f893f3fc
commit 9283d14a3d
3 changed files with 13 additions and 10 deletions
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5
Common/Render/DrawBuffer.cpp
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@ -14,11 +14,6 @@
#include "Common/Log.h"
#include "Common/StringUtils.h"
enum {
// Enough?
MAX_VERTS = 65536,
};
DrawBuffer::DrawBuffer() : count_(0), atlas(0) {
verts_ = new Vertex[MAX_VERTS];
fontscalex = 1.0f;

5
Common/Render/DrawBuffer.h
View file

@ -13,6 +13,11 @@
struct Atlas;
enum {
// Enough?
MAX_VERTS = 65536,
};
enum {
ALIGN_LEFT = 0,
ALIGN_RIGHT = 16,

13
UI/MiscScreens.cpp
View file

@ -89,18 +89,21 @@ public:
dc.Flush();
dc.BeginNoTex();
// Be sure to not overflow our vertex buffer
const float step = ceil(24*bounds.w/pixel_in_dps_x) > MAX_VERTS ? 24*bounds.w/(MAX_VERTS-48) : pixel_in_dps_x;
t *= speed;
for (int x = 0; x < bounds.w; ++x) {
for (float x = 0; x < bounds.w; x += step) {
float i = x * 1280/bounds.w;
float wave0 = sin(i*0.005+t*0.8)*0.05 + sin(i*0.002+t*0.25)*0.02 + sin(i*0.001+t*0.3)*0.03 + 0.625;
float wave1 = sin(i*0.0044+t*0.4)*0.07 + sin(i*0.003+t*0.1)*0.02 + sin(i*0.001+t*0.3)*0.01 + 0.625;
dc.Draw()->RectVGradient(x, wave0*bounds.h, pixel_in_dps_x, (1.0-wave0)*bounds.h, color, 0x00000000);
dc.Draw()->RectVGradient(x, wave1*bounds.h, pixel_in_dps_x, (1.0-wave1)*bounds.h, color, 0x00000000);
dc.Draw()->RectVGradient(x, wave0*bounds.h, step, (1.0-wave0)*bounds.h, color, 0x00000000);
dc.Draw()->RectVGradient(x, wave1*bounds.h, step, (1.0-wave1)*bounds.h, color, 0x00000000);
// Add some "antialiasing"
dc.Draw()->RectVGradient(x, wave0*bounds.h-3*pixel_in_dps_y, pixel_in_dps_x, 3*pixel_in_dps_y, 0x00000000, color);
dc.Draw()->RectVGradient(x, wave1*bounds.h-3*pixel_in_dps_y, pixel_in_dps_x, 3*pixel_in_dps_y, 0x00000000, color);
dc.Draw()->RectVGradient(x, wave0*bounds.h-3*pixel_in_dps_y, step, 3*pixel_in_dps_y, 0x00000000, color);
dc.Draw()->RectVGradient(x, wave1*bounds.h-3*pixel_in_dps_y, step, 3*pixel_in_dps_y, 0x00000000, color);
}
dc.Flush();