/** initilizes the texture with a rectangle measured Points */
public void initTexCoordsWithRect(CCRect pointRect)
{
// convert to pixels coords
CCRect rect = new CCRect(
pointRect.Origin.X * Director.SharedDirector.ContentScaleFactor,
pointRect.Origin.Y * Director.SharedDirector.ContentScaleFactor,
pointRect.Size.Width * Director.SharedDirector.ContentScaleFactor,
pointRect.Size.Height * Director.SharedDirector.ContentScaleFactor);
float wide = pointRect.Size.Width;
float high = pointRect.Size.Height;
if (this.Texture != null)
{
wide = this.Texture.Width;
high = this.Texture.Height;
}
//#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
// GLfloat left = (rect.origin.x*2+1) / (wide*2);
// GLfloat bottom = (rect.origin.y*2+1) / (high*2);
// GLfloat right = left + (rect.size.width*2-2) / (wide*2);
// GLfloat top = bottom + (rect.size.height*2-2) / (high*2);
//#else
float left = rect.Origin.X / wide;
float bottom = rect.Origin.Y / high;
float right = left + rect.Size.Width / wide;
float top = bottom + rect.Size.Height / high;
// #endif // ! CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
// Important. Texture in cocos2d are inverted, so the Y component should be inverted
ccMacros.CC_SWAP <float>(ref top, ref bottom);
for (uint i = 0; i < this.TotalParticles; i++)
{
m_pQuads[i] = new ccV2F_C4B_T2F_Quad();
// bottom-left vertex:
m_pQuads[i].bl.texCoords.u = left;
m_pQuads[i].bl.texCoords.v = bottom;
// bottom-right vertex:
m_pQuads[i].br.texCoords.u = right;
m_pQuads[i].br.texCoords.v = bottom;
// top-left vertex:
m_pQuads[i].tl.texCoords.u = left;
m_pQuads[i].tl.texCoords.v = top;
// top-right vertex:
m_pQuads[i].tr.texCoords.u = right;
m_pQuads[i].tr.texCoords.v = top;
}
}
public override void updateQuadWithParticle(CCParticle particle, CCPoint newPosition)
{
ccV2F_C4B_T2F_Quad quad = this.m_pQuads[base.m_uParticleIdx];
ccColor4B colorb = new ccColor4B((byte)(particle.color.r * 255f), (byte)(particle.color.g * 255f), (byte)(particle.color.b * 255f), (byte)(particle.color.a * 255f));
quad.bl.colors = colorb;
quad.br.colors = colorb;
quad.tl.colors = colorb;
quad.tr.colors = colorb;
float num = particle.size / 2f;
if (particle.rotation != 0f)
{
float num2 = -num;
float num3 = -num;
float num4 = num;
float num5 = num;
float x = newPosition.x;
float y = newPosition.y;
float num8 = -ccMacros.CC_DEGREES_TO_RADIANS(particle.rotation);
float num9 = (float)Math.Cos((double)num8);
float num10 = (float)Math.Sin((double)num8);
float num11 = ((num2 * num9) - (num3 * num10)) + x;
float num12 = ((num2 * num10) + (num3 * num9)) + y;
float num13 = ((num4 * num9) - (num3 * num10)) + x;
float num14 = ((num4 * num10) + (num3 * num9)) + y;
float num15 = ((num4 * num9) - (num5 * num10)) + x;
float num16 = ((num4 * num10) + (num5 * num9)) + y;
float num17 = ((num2 * num9) - (num5 * num10)) + x;
float num18 = ((num2 * num10) + (num5 * num9)) + y;
quad.bl.vertices.x = num11;
quad.bl.vertices.y = num12;
quad.br.vertices.x = num13;
quad.br.vertices.y = num14;
quad.tl.vertices.x = num17;
quad.tl.vertices.y = num18;
quad.tr.vertices.x = num15;
quad.tr.vertices.y = num16;
}
else
{
quad.bl.vertices.x = newPosition.x - num;
quad.bl.vertices.y = newPosition.y - num;
quad.br.vertices.x = newPosition.x + num;
quad.br.vertices.y = newPosition.y - num;
quad.tl.vertices.x = newPosition.x - num;
quad.tl.vertices.y = newPosition.y + num;
quad.tr.vertices.x = newPosition.x + num;
quad.tr.vertices.y = newPosition.y + num;
}
}
/** initilizes the texture with a rectangle measured Points */
public void initTexCoordsWithRect(CCRect pointRect)
{
// convert to pixels coords
CCRect rect = new CCRect(
pointRect.origin.x * CCDirector.sharedDirector().ContentScaleFactor,
pointRect.origin.y * CCDirector.sharedDirector().ContentScaleFactor,
pointRect.size.width * CCDirector.sharedDirector().ContentScaleFactor,
pointRect.size.height * CCDirector.sharedDirector().ContentScaleFactor);
float wide = pointRect.size.width;
float high = pointRect.size.height;
if (this.Texture != null)
{
wide = this.Texture.PixelsWide;
high = this.Texture.PixelsHigh;
}
//#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
// GLfloat left = (rect.origin.x*2+1) / (wide*2);
// GLfloat bottom = (rect.origin.y*2+1) / (high*2);
// GLfloat right = left + (rect.size.width*2-2) / (wide*2);
// GLfloat top = bottom + (rect.size.height*2-2) / (high*2);
//#else
float left = rect.origin.x / wide;
float bottom = rect.origin.y / high;
float right = left + rect.size.width / wide;
float top = bottom + rect.size.height / high;
// #endif // ! CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
// Important. Texture in cocos2d are inverted, so the Y component should be inverted
ccMacros.CC_SWAP<float>(ref top, ref bottom);
for(uint i=0; i<this.TotalParticles; i++)
{
m_pQuads[i] = new ccV2F_C4B_T2F_Quad();
// bottom-left vertex:
m_pQuads[i].bl.texCoords.u = left;
m_pQuads[i].bl.texCoords.v = bottom;
// bottom-right vertex:
m_pQuads[i].br.texCoords.u = right;
m_pQuads[i].br.texCoords.v = bottom;
// top-left vertex:
m_pQuads[i].tl.texCoords.u = left;
m_pQuads[i].tl.texCoords.v = top;
// top-right vertex:
m_pQuads[i].tr.texCoords.u = right;
m_pQuads[i].tr.texCoords.v = top;
}
}
public override void updateQuadWithParticle(CCParticle particle, CCPoint newPosition)
{
// colors
ccV2F_C4B_T2F_Quad quad = m_pQuads[m_uParticleIdx];
ccColor4B color = new ccColor4B((Byte)(particle.color.r * 255), (Byte)(particle.color.g * 255), (Byte)(particle.color.b * 255),
(Byte)(particle.color.a * 255));
quad.bl.colors = color;
quad.br.colors = color;
quad.tl.colors = color;
quad.tr.colors = color;
// vertices
float size_2 = particle.size / 2;
if (particle.rotation != 0)
{
float x1 = -size_2;
float y1 = -size_2;
float x2 = size_2;
float y2 = size_2;
float x = newPosition.X;
float y = newPosition.Y;
float r = -CCUtils.CC_DEGREES_TO_RADIANS(particle.rotation);
float cr = (float)System.Math.Cos(r);
float sr = (float)System.Math.Sin(r);
float ax = x1 * cr - y1 * sr + x;
float ay = x1 * sr + y1 * cr + y;
float bx = x2 * cr - y1 * sr + x;
float by = x2 * sr + y1 * cr + y;
float cx = x2 * cr - y2 * sr + x;
float cy = x2 * sr + y2 * cr + y;
float dx = x1 * cr - y2 * sr + x;
float dy = x1 * sr + y2 * cr + y;
// bottom-left
quad.bl.vertices.x = ax;
quad.bl.vertices.y = ay;
// bottom-right vertex:
quad.br.vertices.x = bx;
quad.br.vertices.y = by;
// top-left vertex:
quad.tl.vertices.x = dx;
quad.tl.vertices.y = dy;
// top-right vertex:
quad.tr.vertices.x = cx;
quad.tr.vertices.y = cy;
}
else
{
// bottom-left vertex:
quad.bl.vertices.x = newPosition.X - size_2;
quad.bl.vertices.y = newPosition.Y - size_2;
// bottom-right vertex:
quad.br.vertices.x = newPosition.X + size_2;
quad.br.vertices.y = newPosition.Y - size_2;
// top-left vertex:
quad.tl.vertices.x = newPosition.X - size_2;
quad.tl.vertices.y = newPosition.Y + size_2;
// top-right vertex:
quad.tr.vertices.x = newPosition.X + size_2;
quad.tr.vertices.y = newPosition.Y + size_2;
}
}