Panda3D
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Mesh drawer creates a single geom object that can be shaped with different draw commands. More...
#include <pandadoc.hpp>
Public Member Functions | |
__init__ () | |
Creates the MeshDrawer low level system. More... | |
begin (NodePath camera, NodePath render) | |
Pass the current camera node and the root node. More... | |
billboard (const LVector3 pos, const LVector4 frame, float size, const LVector4 color) | |
Draws a billboard - particle with no rotation. More... | |
blendedParticle (const LVector3 pos, const LVector4 frame1, const LVector4 frame2, float blend, float size, const LVector4 color, float rotation) | |
Works just like particle but accepts 2 frames and a blend (from 0 to 1) component between them Frame contains u,v,u-size,v-size quadruple. More... | |
crossSegment (const LVector3 start, const LVector3 stop, const LVector4 frame, float thickness, const LVector4 color) | |
Draws a segment a line with a thickness. More... | |
end () | |
Finish the drawing and clearing off the remaining vertexes. More... | |
explosion (const LVector3 pos, const LVector4 frame, float size, const LVector4 color, int seed, int number, float distance) | |
Draws number of particles in a sphere like emitter. More... | |
geometry (NodePath node) | |
Draws the geometry that is inside this node path into the MeshDrawer object. More... | |
int | getBudget () |
Gets the total triangle budget of the drawer. More... | |
NodePath | getRoot () |
Returns the root NodePath. More... | |
linkSegment (const LVector3 pos, const LVector4 frame, float thickness, const LVector4 color) | |
Stars or continues linked segment. More... | |
linkSegmentEnd (const LVector4 frame, const LVector4 color) | |
Finish drawing linked segments, needs at least two calls to link_segment before it can end the linked segment. More... | |
particle (const LVector3 pos, const LVector4 frame, float size, const LVector4 color, float rotation) | |
Draws a particle that is sort of like a bill board but has an extra rotation component. More... | |
segment (const LVector3 start, const LVector3 stop, const LVector4 frame, float thickness, const LVector4 color) | |
Draws a segment a line with a thickness. More... | |
setBudget (int budget) | |
Sets the total triangle budget of the drawer. More... | |
stream (const LVector3 start, const LVector3 stop, const LVector4 frame, float size, const LVector4 color, int number, float offset) | |
Draws a number of particles in a big line with a shift dictated by the offset. More... | |
tri (const LVector3 v1, const LVector4 c1, const LVector2 uv1, const LVector3 v2, const LVector4 c2, const LVector2 uv2, const LVector3 v3, const LVector4 c3, const LVector2 uv3) | |
Draws a triangle with the given parameters. More... | |
unevenSegment (const LVector3 start, const LVector3 stop, const LVector4 frame, float thickness_start, const LVector4 color_start, float thickness_stop, const LVector4 color_stop) | |
Draws a segment a line with different thickness and color on both sides. More... | |
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TypeHandle | getType () |
int | getTypeIndex () |
Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More... | |
bool | isExactType (TypeHandle handle) |
Returns true if the current object is the indicated type exactly. More... | |
bool | isOfType (TypeHandle handle) |
Returns true if the current object is or derives from the indicated type. More... | |
Static Public Member Functions | |
static TypeHandle | getClassType () |
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static TypeHandle | getClassType () |
Additional Inherited Members | |
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TypeHandle | type |
Returns the TypeHandle representing this object's type. More... | |
Mesh drawer creates a single geom object that can be shaped with different draw commands.
This is an efficient way to render bunch of billboards, particles, fast changing triangles. Its implemented by recycling same geom over and over again. Max budget specifies how many triangles are allowed. Some uses of this class can be : particle system, radar icons, health bars, 2d icons, 2d ui, bullets, missile trails. Any that can be drawn with triangles can be drawn with this class. At the low level this uses the GeomVertexRewriter's. The internal geom consists of vertex, normal, uv and color channels.
__init__ | ( | ) |
Creates the MeshDrawer low level system.
Pass the current camera node and the root node.
Passing the camera is required to generate bill boards that face it.
Draws a billboard - particle with no rotation.
Billboards always face the camera. Frame contains u,v,u-size,v-size quadruple.
blendedParticle | ( | const LVector3 | pos, |
const LVector4 | frame1, | ||
const LVector4 | frame2, | ||
float | blend, | ||
float | size, | ||
const LVector4 | color, | ||
float | rotation | ||
) |
Works just like particle but accepts 2 frames and a blend (from 0 to 1) component between them Frame contains u,v,u-size,v-size quadruple.
crossSegment | ( | const LVector3 | start, |
const LVector3 | stop, | ||
const LVector4 | frame, | ||
float | thickness, | ||
const LVector4 | color | ||
) |
Draws a segment a line with a thickness.
This segment does not use the bill boarding behavior and instead draws 2 planes in a cross. Stars at start and ends at stop. Frame contains u,v,u-size,v-size quadruple.
end | ( | ) |
Finish the drawing and clearing off the remaining vertexes.
explosion | ( | const LVector3 | pos, |
const LVector4 | frame, | ||
float | size, | ||
const LVector4 | color, | ||
int | seed, | ||
int | number, | ||
float | distance | ||
) |
Draws number of particles in a sphere like emitter.
Frame contains u,v,u-size,v-size quadruple.
geometry | ( | NodePath | node | ) |
Draws the geometry that is inside this node path into the MeshDrawer object.
This performs a similar functions as RigidBodyCombiner but for very dynamic situations that share the same texture like physcal chunks of explosions. It can be a little slow
int getBudget | ( | ) |
Gets the total triangle budget of the drawer.
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static |
NodePath getRoot | ( | ) |
Returns the root NodePath.
You should use this node to reparent mesh drawer onto the scene might also want to disable depth draw or enable transparency.
Stars or continues linked segment.
Control position, frame, thickness and color with parameters. Frame contains u,v,u-size,v-size quadruple.
Finish drawing linked segments, needs at least two calls to link_segment before it can end the linked segment.
Frame contains u,v,u-size,v-size quadruple.
particle | ( | const LVector3 | pos, |
const LVector4 | frame, | ||
float | size, | ||
const LVector4 | color, | ||
float | rotation | ||
) |
Draws a particle that is sort of like a bill board but has an extra rotation component.
Frame contains u,v,u-size,v-size quadruple.
segment | ( | const LVector3 | start, |
const LVector3 | stop, | ||
const LVector4 | frame, | ||
float | thickness, | ||
const LVector4 | color | ||
) |
Draws a segment a line with a thickness.
That has billboarding effect. Frame contains u,v,u-size,v-size quadruple.
setBudget | ( | int | budget | ) |
Sets the total triangle budget of the drawer.
This will not be exceeded. Don't set some thing too large because it will be slow
stream | ( | const LVector3 | start, |
const LVector3 | stop, | ||
const LVector4 | frame, | ||
float | size, | ||
const LVector4 | color, | ||
int | number, | ||
float | offset | ||
) |
Draws a number of particles in a big line with a shift dictated by the offset.
Frame contains u,v,u-size,v-size quadruple.
tri | ( | const LVector3 | v1, |
const LVector4 | c1, | ||
const LVector2 | uv1, | ||
const LVector3 | v2, | ||
const LVector4 | c2, | ||
const LVector2 | uv2, | ||
const LVector3 | v3, | ||
const LVector4 | c3, | ||
const LVector2 | uv3 | ||
) |
Draws a triangle with the given parameters.
unevenSegment | ( | const LVector3 | start, |
const LVector3 | stop, | ||
const LVector4 | frame, | ||
float | thickness_start, | ||
const LVector4 | color_start, | ||
float | thickness_stop, | ||
const LVector4 | color_stop | ||
) |
Draws a segment a line with different thickness and color on both sides.
Stars at start and ends at stop. Frame contains u,v,u-size,v-size quadruple.