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Solved bug with depth when drawing...

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...shapes based on LINES, TRIANGLES and QUADS. Now the calling order of
the drawing functions is respected!
This commit is contained in:
Ray 2015-09-21 12:48:43 +02:00
parent 544df87a8e
commit 6ffb3c72fb
1 changed files with 13 additions and 3 deletions
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16
src/rlgl.c
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@ -200,6 +200,8 @@ static int currentMatrixMode;
static DrawMode currentDrawMode;
static float currentDepth = -1.0f;
// Vertex arrays for lines, triangles and quads
static VertexPositionColorBuffer lines; // No texture support
static VertexPositionColorBuffer triangles; // No texture support
@ -580,6 +582,11 @@ void rlEnd(void)
} break;
default: break;
}
// NOTE: Depth increment is dependant on rlOrtho(): z-near and z-far values,
// as well as depth buffer bit-depth (16bit or 24bit or 32bit)
// Correct increment formula would be: depthInc = (zfar - znear)/pow(2, bits)
currentDepth += (1.0f/20000.0f);
}
// Define one vertex (position)
@ -648,13 +655,13 @@ void rlVertex3f(float x, float y, float z)
// Define one vertex (position)
void rlVertex2f(float x, float y)
{
rlVertex3f(x, y, 0.0f);
rlVertex3f(x, y, currentDepth);
}
// Define one vertex (position)
void rlVertex2i(int x, int y)
{
rlVertex3f((float)x, (float)y, 0.0f);
rlVertex3f((float)x, (float)y, currentDepth);
}
// Define one vertex (texture coordinate)
@ -1395,6 +1402,9 @@ void rlglDraw(void)
quads.vCounter = 0;
quads.tcCounter = 0;
quads.cCounter = 0;
// Reset depth for next draw
currentDepth = -1.0f;
#endif
}
@ -1583,7 +1593,7 @@ void rlglInitGraphics(int offsetX, int offsetY, int width, int height)
rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix
rlLoadIdentity(); // Reset current matrix (PROJECTION)
rlOrtho(0, width - offsetX, height - offsetY, 0, 0, 1); // Config orthographic mode: top-left corner --> (0,0)
rlOrtho(0, width - offsetX, height - offsetY, 0, 0.0f, 1.0f); // Config orthographic mode: top-left corner --> (0,0)
rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix
rlLoadIdentity(); // Reset current matrix (MODELVIEW)