//瞧，这是以前从未见过的最短的绘制程序，有很棒的视觉效果！
//我们调用RenderToTexture 函数。幸亏我们视口改变这个函数才着色被拉伸的弹簧。 对于我们的纹理拉伸的弹簧被着色，并且这些缓冲器被清除。
//我们之后绘制“真正的”弹簧 (你在屏幕上看到的3D实体) 通过调用 ProcessHelix( )。
//最后我们在弹簧前面绘制一些混合的方块。有织纹的方块将被拉伸以适应在真正的3D弹簧
//上面。
void MyGLWidget::paintGL()
{
glClearColor(0.0f, 0.0f, 0.0f, 0.5);// 将清晰的颜色设定为黑色
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);// 清除屏幕和深度缓冲器
glLoadIdentity();// 重置视图
renderToTexture();// 着色纹理
processHelix();// 绘制我们的螺旋
drawBlur(25,0.02f);// 绘制模糊效果
}
void BrushToolEdit::drawInner(const QPoint &pt, float strength)
{
float fixedStrength = params.strength;
strength *= fixedStrength;
auto color = params.color;
std::array<int, 3> colorParts = Terrain::expandColor(color);
__m128 colorMM = _mm_setr_ps(colorParts[0], colorParts[1], colorParts[2], 0);
SseRoundingModeScope roundingModeScope(_MM_ROUND_NEAREST);
(void) roundingModeScope;
switch (tool->type()) {
case BrushType::Blur:
drawBlur(pt, std::min(strength / 5.f, 4.f));
break;
case BrushType::Smoothen:
drawSmoothen(pt, std::min(strength / 5.f, 4.f));
break;
case BrushType::Raise:
case BrushType::Lower:
if (tool->type() == BrushType::Lower) {
fixedStrength = -fixedStrength;
strength = -strength;
}
switch (params.pressureMode) {
case BrushPressureMode::AirBrush:
strength *= 3.f;
drawRaiseLower(pt, [=](float ¤t, float before, float tip) {
(void) before;
current -= tip * strength;
});
break;
case BrushPressureMode::Constant:
if (tool->type() == BrushType::Lower) {
drawRaiseLower(pt, [=](float ¤t, float before, float tip) {
current = Terrain::quantizeOne(std::max(current, before - tip * fixedStrength));
});
} else {
drawRaiseLower(pt, [=](float ¤t, float before, float tip) {
current = Terrain::quantizeOne(std::min(current, before - tip * fixedStrength));
});
}
break;
case BrushPressureMode::Adjustable:
drawRaiseLower(pt, [=](float ¤t, float before, float tip) {
current = Terrain::quantizeOne(before - tip * strength);
});
break;
}
break;
case BrushType::Paint:
switch (params.pressureMode) {
case BrushPressureMode::AirBrush:
strength = 1.f - std::exp2(-strength);
drawColor(pt, [=](quint32 ¤t, quint32 before, float tip) {
(void) before;
// convert current color to FP32
auto currentMM = _mm_castps_si128(_mm_load_ss(reinterpret_cast<float *>(¤t)));
currentMM = _mm_unpacklo_epi8(currentMM, _mm_setzero_si128());
currentMM = _mm_unpacklo_epi16(currentMM, _mm_setzero_si128());
auto currentMF = _mm_cvtepi32_ps(currentMM);
auto factor = _mm_set1_ps(tip * strength);
// blend
auto diff = _mm_sub_ps(colorMM, currentMF);
diff = _mm_mul_ps(diff, factor);
currentMF = _mm_add_ps(currentMF, diff);
// convert to RGB32
currentMF = _mm_add_ps(currentMF, globalDitherSampler.getM128());
currentMM = _mm_cvttps_epi32(currentMF);
currentMM = _mm_packs_epi32(currentMM, currentMM);
currentMM = _mm_packus_epi16(currentMM, currentMM);
_mm_store_ss(reinterpret_cast<float *>(¤t), _mm_castsi128_ps(currentMM));
});
break;
case BrushPressureMode::Constant:
fixedStrength *= 0.01f;
drawColor(pt, [=](quint32 ¤t, quint32 before, float tip) {
// convert current color to FP32
auto currentMM = _mm_castps_si128(_mm_load_ss(reinterpret_cast<float *>(¤t)));
currentMM = _mm_unpacklo_epi8(currentMM, _mm_setzero_si128());
currentMM = _mm_unpacklo_epi16(currentMM, _mm_setzero_si128());
auto currentMF = _mm_cvtepi32_ps(currentMM);
// convert before color to FP32
auto beforeMM = _mm_setr_epi32(before, 0, 0, 0);
beforeMM = _mm_unpacklo_epi8(beforeMM, _mm_setzero_si128());
beforeMM = _mm_unpacklo_epi16(beforeMM, _mm_setzero_si128());
auto beforeMF = _mm_cvtepi32_ps(beforeMM);
// beforeMM = _mm_add_ps(beforeMM, globalDitherSampler.getM128());
// use "before" image to which way of color change is possible, and
// compute possible range of result color
auto diff = _mm_sub_ps(colorMM, beforeMF);
auto factor = _mm_set1_ps(tip * fixedStrength);
auto adddiff = _mm_mul_ps(diff, factor);
beforeMF = _mm_add_ps(beforeMF, adddiff);
auto diffDir = _mm_cmpgt_ps(diff, _mm_setzero_ps());
// compute output image
auto out1 = _mm_max_ps(currentMF, beforeMF);
auto out2 = _mm_min_ps(currentMF, beforeMF);
currentMF = _mm_or_ps(_mm_and_ps(diffDir, out1), _mm_andnot_ps(diffDir, out2));
// convert to RGB32
currentMF = _mm_add_ps(currentMF, globalDitherSampler.getM128());
currentMM = _mm_cvttps_epi32(currentMF);
currentMM = _mm_packs_epi32(currentMM, currentMM);
currentMM = _mm_packus_epi16(currentMM, currentMM);
_mm_store_ss(reinterpret_cast<float *>(¤t), _mm_castsi128_ps(currentMM));
});
break;
case BrushPressureMode::Adjustable:
strength *= 0.01f;
drawColor(pt, [=](quint32 ¤t, quint32 before, float tip) {
// convert before color to FP32
auto beforeMM = _mm_setr_epi32(before, 0, 0, 0);
beforeMM = _mm_unpacklo_epi8(beforeMM, _mm_setzero_si128());
beforeMM = _mm_unpacklo_epi16(beforeMM, _mm_setzero_si128());
auto beforeMF = _mm_cvtepi32_ps(beforeMM);
// blend
auto diff = _mm_sub_ps(colorMM, beforeMF);
auto factor = _mm_set1_ps(tip * strength);
diff = _mm_mul_ps(diff, factor);
beforeMF = _mm_add_ps(beforeMF, diff);
// convert to RGB32
beforeMF = _mm_add_ps(beforeMF, globalDitherSampler.getM128());
beforeMM = _mm_cvttps_epi32(beforeMF);
beforeMM = _mm_packs_epi32(beforeMM, beforeMM);
beforeMM = _mm_packus_epi16(beforeMM, beforeMM);
_mm_store_ss(reinterpret_cast<float *>(¤t), _mm_castsi128_ps(beforeMM));
});
break;
}
break;
}
}
//------------------------------------------
void SceneSpheres::drawScene()
{
glPointSize(2.0);
AudioInput* input2 = ((VstPlugin*)effect)->audioInputs[2];
float level0 = input2->level;
if (input2->hasBeenTriggered())
{
sgn=sgn*-1;
input2->updateTrigger();
}
//drawBlur(1,1.0f,-0.02,0.15f);
drawBlur(1,1.0f,sgn*0.02,1-level0*2.3f);
float a = ((VstPlugin*)effect)->temps->getElapsedTime();
//gluLookAt(-20*cos(a),0,-20*sin(a),0,0,0,0,1,0);
gluLookAt(0,5,-16,0,0,0,0,1,0);
glEnable(GL_LIGHTING);
glShadeModel(GL_FLAT);
glPolygonMode(GL_FRONT_AND_BACK , GL_FILL);
glPushMatrix();
glRotatef(50*a,0,1,0);
objects3d[0]->draw();
glPopMatrix();
float s = 2.0;
level8 = level8+((VstPlugin*)effect)->audioInputs[8]->level*15.0;
glPushMatrix();
glTranslatef(0,-0.5,0);
glRotatef(-180,0,1,0);
for (int i = 0; i<2; i++)
{
glRotatef(180,0,1,0);
glPushMatrix();
glRotatef(level8,0,0,1);
glTranslatef(-8,0,0);
glScalef(s,s,s);
objects3d[1]->draw();
glRotatef(180,0,0,1);
objects3d[1]->draw();
glPopMatrix();
}
glPopMatrix();
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, SIZE, SIZE, 0);
glPolygonMode(GL_FRONT_AND_BACK , GL_FILL);
level4 = ((VstPlugin*)effect)->audioInputs[4]->level;
if (attack <1 && level4>0.05) attack = attack + 0.25;
else if (level4 < 0.05 && attack > 0) attack = attack - 0.25;
c = level4*16.0;
invert(0,0);
}
//------------------------------------------
void SceneNurbs::drawScene()
{
glPointSize(5.0);
float a = ((VstPlugin*)effect)->temps->getElapsedTime()*0.2;
float level8 = ((VstPlugin*)effect)->audioInputs[8]->level;
AudioInput* input8 = ((VstPlugin*)effect)->audioInputs[8];
level2 = level2 + ((VstPlugin*)effect)->audioInputs[2]->level*4.0;
glPolygonMode(GL_FRONT_AND_BACK , GL_FILL);
drawBlur(1,1.0f,0.02,1-level8*6.0f);
glDisable(GL_LIGHTING);
//gluLookAt(0,-15,-15,0,0,0,0,-sin(45.0),cos(45.0));
gluLookAt(-20*cos(a),9,-20*sin(a),0,0,0,0,1,0);
if (input8->hasBeenTriggered())
{
if (objects3d[0]->polmode == 0)
{
objects3d[0]->polmode = 1;
objects3d[1]->polmode = 1;
}
else
{
objects3d[0]->polmode = 0;
objects3d[1]->polmode = 0;
}
input8->updateTrigger();
}
glPushMatrix();
glRotatef(level2,0,1,0);
for (int g=0; g<6; g++)
{
glRotatef(60,0,1,0);
glPushMatrix();
glTranslatef(0,0,-8);
glRotatef(90,0,0,1);
glLineWidth(2.0);
objects3d[0]->draw();
glLineWidth(1.0);
glPopMatrix();
}
glPopMatrix();
//glRotatef(50*a,1,0,0);
float s = 0.6;
glScalef(s,s,s);
objects3d[1]->draw();
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, SIZE, SIZE, 0);
level4 = ((VstPlugin*)effect)->audioInputs[4]->level;
/* if (level4*30.0 >1) c =1;
else c = level4*30.0;*/
glPolygonMode(GL_FRONT_AND_BACK , GL_FILL);
/*if (attack <1 && level4>0.05) attack = attack + 0.1;
else if (level4 < 0.05 ) attack = 0;*/
c = level4*16.0;
invert(0,2);
}
//------------------------------------------
void SceneFlowers::drawScene()
{
//drawBlur(1,1.0,-0.02,0.15f);
float a = ((VstPlugin*)effect)->temps->getElapsedTime();
dis = ((VstPlugin*)effect)->audioInputs[4]->level*0.3;
gluLookAt(0,0,-2,0,0,0,0,1,0);
int coef = 30;
glPushMatrix();
//glRotatef(a*coef,0,1,0);
glRotatef(45*cos(a)-90,0,1,0);
glTranslatef(0,-0.4,0);
glRotatef(45,0,0,1);
glTranslatef(0,dis,0);
objects3d[1]->draw();
glPopMatrix();
level2 = level2 + ((VstPlugin*)effect)->audioInputs[2]->level* 1.2;
float s = 0.4 + 0.15*sin(level2);
glPushMatrix();
glTranslatef(-0.8,0.15,0);
glRotatef(a*coef*2,0,1,0);
glTranslatef(-0.05,-0.1,0);
glRotatef(45,0,0,1);
glScalef(s,s,s);
objects3d[0]->draw();
glPopMatrix();
glPushMatrix();
glTranslatef(0.8,0.15,0);
glRotatef(a*coef*2,0,1,0);
glTranslatef(-0.05,-0.1,0);
glRotatef(45,0,0,1);
glScalef(s,s,s);
objects3d[0]->draw();
glPopMatrix();
objects3d[3]->draw();
AudioInput* input9 = ((VstPlugin*)effect)->audioInputs[9];
if (input9->hasBeenTriggered())
{
if (objects3d[0]->polmode == 1)
{
objects3d[0]->polmode = 2;
objects3d[1]->polmode = 1;
}
else
{
objects3d[0]->polmode = 1;
objects3d[1]->polmode = 0;
}
input9->updateTrigger();
}
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, SIZE, SIZE, 0);
AudioInput* input8 = ((VstPlugin*)effect)->audioInputs[8];
if (input8->hasBeenTriggered())
{
if (kal == 3) kal = 0;
else kal++ ;
input8->updateTrigger();
}
kalei(kal);
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, SIZE, SIZE, 0);
drawBlur(20,0.1,0.01f,0.01);
}
