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Improved examples/glPaintTest with slider to modify brush size:

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- changed default brush size from 500 to 100 pixels
    - added slider to HUD to modify brush size interactively
This commit is contained in:
barry 2019-06-20 21:07:47 -07:00
parent 8291df957c
commit 6ab31b9061
1 changed files with 16 additions and 7 deletions
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21
examples/glPaintTest/glPaintTest.cpp
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@ -109,7 +109,7 @@ int g_running = 1,
g_displayDisplacement = 0,
g_mbutton[3] = {0, 0, 0};
int g_brushSize = 500;
int g_brushSize = 100;
int g_frame = 0;
GLuint g_ptexPages = 0,
@ -704,15 +704,15 @@ display() {
averageFps += g_fpsTimeSamples[i]/(float)NUM_FPS_TIME_SAMPLES;
}
g_hud.DrawString(10, -180, "Tess level (+/-): %d", g_tessLevel);
g_hud.DrawString(10, -100, "Tess level (+/-): %d", g_tessLevel);
if (numPrimsGenerated > 1000000) {
g_hud.DrawString(10, -160, "Primitives : %3.1f million", (float)numPrimsGenerated/1000000.0);
g_hud.DrawString(10, -80, "Primitives : %3.1f million", (float)numPrimsGenerated/1000000.0);
} else if (numPrimsGenerated > 1000) {
g_hud.DrawString(10, -160, "Primitives : %3.1f thousand", (float)numPrimsGenerated/1000.0);
g_hud.DrawString(10, -80, "Primitives : %3.1f thousand", (float)numPrimsGenerated/1000.0);
} else {
g_hud.DrawString(10, -160, "Primitives : %d", numPrimsGenerated);
g_hud.DrawString(10, -80, "Primitives : %d", numPrimsGenerated);
}
g_hud.DrawString(10, -140, "Vertices : %d", g_mesh->GetNumVertices());
g_hud.DrawString(10, -60, "Vertices : %d", g_mesh->GetNumVertices());
g_hud.DrawString(10, -20, "FPS : %3.1f", averageFps);
}
@ -961,6 +961,12 @@ callbackModel(int m) {
createOsdMesh();
}
static void
callbackBrushSize(float value, int /* data */) {
g_brushSize = (int)value;
}
//------------------------------------------------------------------------------
static void
initHUD() {
@ -982,6 +988,9 @@ initHUD() {
g_hud.AddPullDownButton(shading_pulldown, "Shaded", 1, g_wire==1);
g_hud.AddPullDownButton(shading_pulldown, "Wire+Shaded", 2, g_wire==2);
g_hud.AddSlider("Brush size", 10, 500, g_brushSize,
350, -60, 40, true, callbackBrushSize, 0);
for (int i = 1; i < 11; ++i) {
char level[16];
sprintf(level, "Lv. %d", i);