Removed hardcoded values for DebugColor in various places (#774)

src/pipeline/debug_render_pipeline/debug_render_backend.rs

@@ -1,3 +1,4 @@
+use super::DebugColor;
 use crate::dynamics::{
     ImpulseJoint, ImpulseJointHandle, Multibody, MultibodyLink, RigidBody, RigidBodyHandle,
 };
@@ -43,7 +44,7 @@ pub trait DebugRenderBackend {
         object: DebugRenderObject,
         a: Point<Real>,
         b: Point<Real>,
-        color: [f32; 4],
+        color: DebugColor,
     );
 
     /// Draws a set of lines.
@@ -54,7 +55,7 @@ pub trait DebugRenderBackend {
         indices: &[[u32; 2]],
         transform: &Isometry<Real>,
         scale: &Vector<Real>,
-        color: [f32; 4],
+        color: DebugColor,
     ) {
         for idx in indices {
             let a = transform * (Scale::from(*scale) * vertices[idx[0] as usize]);
@@ -70,7 +71,7 @@ pub trait DebugRenderBackend {
         vertices: &[Point<Real>],
         transform: &Isometry<Real>,
         scale: &Vector<Real>,
-        color: [f32; 4],
+        color: DebugColor,
         closed: bool,
     ) {
         for vtx in vertices.windows(2) {

src/pipeline/debug_render_pipeline/debug_render_pipeline.rs

@@ -1,4 +1,4 @@
-use super::{outlines, DebugRenderBackend};
+use super::{outlines, DebugColor, DebugRenderBackend};
 use crate::dynamics::{
     GenericJoint, ImpulseJointSet, MultibodyJointSet, RigidBodySet, RigidBodyType,
 };
@@ -180,8 +180,8 @@ impl DebugRenderPipeline {
         let mut render_joint = |body1,
                                 body2,
                                 data: &GenericJoint,
-                                mut anchor_color: [f32; 4],
-                                mut separation_color: [f32; 4],
+                                mut anchor_color: DebugColor,
+                                mut separation_color: DebugColor,
                                 object| {
             if !backend.filter_object(object) {
                 return;
@@ -363,7 +363,7 @@ impl DebugRenderPipeline {
         backend: &mut impl DebugRenderBackend,
         shape: &dyn Shape,
         pos: &Isometry<Real>,
-        color: [f32; 4],
+        color: DebugColor,
     ) {
         match shape.as_typed_shape() {
             TypedShape::Ball(s) => {
@@ -471,7 +471,7 @@ impl DebugRenderPipeline {
         backend: &mut impl DebugRenderBackend,
         shape: &dyn Shape,
         pos: &Isometry<Real>,
-        color: [f32; 4],
+        color: DebugColor,
     ) {
         match shape.as_typed_shape() {
             TypedShape::Ball(s) => {

src/pipeline/debug_render_pipeline/debug_render_style.rs

@@ -35,11 +35,11 @@ pub struct DebugRenderStyle {
     /// If a rigid-body is sleeping, its attached entities will have their colors
     /// multiplied by this array. (For a joint, both attached rigid-bodies must be sleeping
     /// or non-dynamic for this multiplier to be applied).
-    pub sleep_color_multiplier: [f32; 4],
+    pub sleep_color_multiplier: DebugColor,
     /// If a rigid-body is disabled, its attached entities will have their colors
     /// multiplied by this array. (For a joint, both attached rigid-bodies must be disabled
     /// for this multiplier to be applied).
-    pub disabled_color_multiplier: [f32; 4],
+    pub disabled_color_multiplier: DebugColor,
     /// The length of the local coordinate axes rendered for a rigid-body.
     pub rigid_body_axes_length: Real,
     /// The color for the segments joining the two contact points.