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-rw-r--r--themes/LeafParticleRender.cpp74
-rw-r--r--themes/LeafParticleRender.h14
-rw-r--r--themes/TreeShape.cpp5
-rw-r--r--themes/TreeShape.h1
-rwxr-xr-xthemes/dist/output.wasmbin57898 -> 58861 bytes
5 files changed, 63 insertions, 31 deletions
diff --git a/themes/LeafParticleRender.cpp b/themes/LeafParticleRender.cpp
index fd35888..2fc89ac 100644
--- a/themes/LeafParticleRender.cpp
+++ b/themes/LeafParticleRender.cpp
@@ -9,11 +9,12 @@ const int32 verticesPerLeaf = 6;
const float32 leafRadius = 3.f;
const int32 fallChanceMax = 100;
-inline void updateLeaf(Renderer2dVertex* vertices, Vector2 position, Vector4 color) {
- Vector2 bottomLeft = Vector2(-leafRadius, -leafRadius) + position;
- Vector2 bottomRight = Vector2(leafRadius, -leafRadius) + position;
- Vector2 topLeft = Vector2(-leafRadius, leafRadius) + position;
- Vector2 topRight = Vector2(leafRadius, leafRadius) + position;
+inline void updateLeaf(Renderer2dVertex* vertices, Vector2 position, Vector4 color, float32 scale) {
+ float32 radius = scale * leafRadius;
+ Vector2 bottomLeft = Vector2(-radius, -radius) + position;
+ Vector2 bottomRight = Vector2(radius, -radius) + position;
+ Vector2 topLeft = Vector2(-radius, radius) + position;
+ Vector2 topRight = Vector2(radius, radius) + position;
vertices[0] = { bottomLeft, color };
vertices[1] = { bottomRight, color };
@@ -25,7 +26,7 @@ inline void updateLeaf(Renderer2dVertex* vertices, Vector2 position, Vector4 col
void LeafParticleRender::load(Renderer2d *renderer, TreeShapeLoadResult* lr) {
LeafParticleLoadData ld;
- ld.numLeaves = 640;
+ ld.numLeaves = 256;
numLeaves = ld.numLeaves;
numVertices = ld.numLeaves * verticesPerLeaf;
@@ -39,6 +40,7 @@ void LeafParticleRender::load(Renderer2d *renderer, TreeShapeLoadResult* lr) {
updateData[leafIdx].fallChance = randomIntBetween(0, fallChanceMax);
updateData[leafIdx].color = Vector4(randomFloatBetween(0.3, 0.9), randomFloatBetween(0.1, 0.6), 0, 1);
updateData[leafIdx].vertexPtr = &vertices[leafIdx * verticesPerLeaf];
+ updateData[leafIdx].resetTime = randomFloatBetween(4.f, 6.f);
}
useShader(renderer->shader);
@@ -77,42 +79,64 @@ void LeafParticleRender::update(float32 dtSeconds) {
auto updateDataItem = &updateData[leafIdx];
if (didGenerateFall) {
- if (!updateDataItem->isFalling && updateDataItem->fallChance == fallRoll) {
- updateDataItem->isFalling = true;
+ if (updateDataItem->state == LeafParticleState::OnTree && updateDataItem->fallChance == fallRoll) {
+ updateDataItem->state = LeafParticleState::Falling;
updateDataItem->fallPosition = updateDataItem->vertexToFollow->position;
updateDataItem->fallVerticalVelocity = -randomFloatBetween(15.f, 25.f);
updateDataItem->fallHorizontalFrequency = randomFloatBetween(3.f, 5.f);
}
}
- if (updateDataItem->onGround) {
- updateDataItem->timeFallingSeconds += dtSeconds;
+ switch (updateDataItem->state) {
+ case (LeafParticleState::Remerging): {
+ updateDataItem->timeElapsedSeconds += dtSeconds;
- if (updateDataItem->timeFallingSeconds >= updateDataItem->resetTime) {
- updateDataItem->onGround = false;
- updateDataItem->isFalling = false;
+ if (updateDataItem->timeElapsedSeconds >= updateDataItem->resetTime) {
+ updateDataItem->timeElapsedSeconds = 0.f;
+ updateDataItem->state = LeafParticleState::OnTree;
updateDataItem->color.w = 1.f;
+ updateDataItem->scale = 1.f;
}
else {
- updateDataItem->color.w = 1.f - (updateDataItem->timeFallingSeconds / updateDataItem->resetTime);
- updateLeaf(updateDataItem->vertexPtr, updateDataItem->fallPosition, updateDataItem->color);
+ updateDataItem->color.w = (updateDataItem->timeElapsedSeconds / updateDataItem->resetTime);
+ updateDataItem->scale = (updateDataItem->timeElapsedSeconds / updateDataItem->resetTime);
}
+
+ updateLeaf(updateDataItem->vertexPtr, updateDataItem->vertexToFollow->position, updateDataItem->color, updateDataItem->scale);
+ break;
}
- else if (updateDataItem->isFalling) {
- updateDataItem->timeFallingSeconds += dtSeconds;
- const float32 xPosUpdate = cosf(updateDataItem->fallHorizontalFrequency * updateDataItem->timeFallingSeconds);
+ case (LeafParticleState::OnGround): {
+ updateDataItem->timeElapsedSeconds += dtSeconds;
+
+ if (updateDataItem->timeElapsedSeconds >= updateDataItem->resetTime) {
+ updateDataItem->timeElapsedSeconds = 0.f;
+ updateDataItem->color.w = 0.f;
+ updateDataItem->state = LeafParticleState::Remerging;
+ }
+ else {
+ updateDataItem->color.w = 1.f - (updateDataItem->timeElapsedSeconds / updateDataItem->resetTime);
+ updateLeaf(updateDataItem->vertexPtr, updateDataItem->fallPosition, updateDataItem->color, updateDataItem->scale);
+ }
+ break;
+ }
+ case (LeafParticleState::Falling): {
+ updateDataItem->timeElapsedSeconds += dtSeconds;
+ const float32 xPosUpdate = cosf(updateDataItem->fallHorizontalFrequency * updateDataItem->timeElapsedSeconds);
updateDataItem->fallPosition.x += xPosUpdate;
updateDataItem->fallPosition.y += updateDataItem->fallVerticalVelocity * dtSeconds;
- if (updateDataItem->fallPosition.y <= 25.f) { // TODO: Hardcoded ground for now
- updateDataItem->fallPosition.y = 25.f;
- updateDataItem->onGround = true;
- updateDataItem->timeFallingSeconds = 0;
+ if (updateDataItem->fallPosition.y <= 50.f) { // TODO: Hardcoded ground for now
+ updateDataItem->fallPosition.y = 50.f;
+ updateDataItem->state = LeafParticleState::OnGround;
+ updateDataItem->timeElapsedSeconds = 0;
updateDataItem->resetTime = randomFloatBetween(2.f, 5.f); // TODO: Hardcoded reset interval
}
- updateLeaf(updateDataItem->vertexPtr, updateDataItem->fallPosition, updateDataItem->color);
+ updateLeaf(updateDataItem->vertexPtr, updateDataItem->fallPosition, updateDataItem->color, updateDataItem->scale);
+ break;
+ }
+ case (LeafParticleState::OnTree): {
+ updateLeaf(updateDataItem->vertexPtr, updateDataItem->vertexToFollow->position, updateDataItem->color, updateDataItem->scale);
+ break;
}
- else {
- updateLeaf(updateDataItem->vertexPtr, updateDataItem->vertexToFollow->position, updateDataItem->color);
}
}
}
diff --git a/themes/LeafParticleRender.h b/themes/LeafParticleRender.h
index 9f5d5f4..28c9bc1 100644
--- a/themes/LeafParticleRender.h
+++ b/themes/LeafParticleRender.h
@@ -10,20 +10,26 @@ struct LeafParticleLoadData {
int numLeaves = 48;
};
+enum LeafParticleState {
+ OnTree,
+ Falling,
+ OnGround,
+ Remerging
+};
+
struct LeafParticleUpdateData {
- bool canFall = false;
+ LeafParticleState state = LeafParticleState::Remerging;
+
Renderer2dVertex* vertexToFollow = NULL;
Vector4 color = Vector4(1.f, 0.f, 0.f, 0.f);
float32 scale = 1.f;
- float32 timeFallingSeconds = 0.f;
- bool isFalling = false;
+ float32 timeElapsedSeconds = 0.f;
int32 fallChance = -1;
Vector2 fallPosition;
float32 fallVerticalVelocity;
float32 fallHorizontalFrequency;
- bool onGround = false;
float32 resetTime = 0.f;
Renderer2dVertex* vertexPtr = NULL;
diff --git a/themes/TreeShape.cpp b/themes/TreeShape.cpp
index 49f6a99..797ceca 100644
--- a/themes/TreeShape.cpp
+++ b/themes/TreeShape.cpp
@@ -95,6 +95,7 @@ void TreeShape::createBranch(TreeLoadData* ld, TreeBranchLoadData* generationDat
TreeBranchUpdateData* branchUpdateData = &updateData[*branchIndex];
branchUpdateData->tier = branchLevel;
+ branchUpdateData->periodOffset = randomFloatBetween(0.f, 2.f * PI);
branchUpdateData->period = randomFloatBetween(3.f, 5.f);
branchUpdateData->amplitude = randomFloatBetween(0.01f, 0.05f);
branchUpdateData->branchToFollow = parent;
@@ -155,8 +156,8 @@ void TreeShape::update(float32 dtSeconds) {
int32 startParentIndex = bIdx * 6;
- branchUpdataData->currentOffset.x = branchUpdataData->amplitude * sinf(branchUpdataData->period * timeElapsedSeconds);
- branchUpdataData->currentOffset.y = branchUpdataData->amplitude * sinf(branchUpdataData->period * timeElapsedSeconds);
+ branchUpdataData->currentOffset.x = branchUpdataData->amplitude * cosf(branchUpdataData->periodOffset + branchUpdataData->period * timeElapsedSeconds);
+ branchUpdataData->currentOffset.y = branchUpdataData->amplitude * sinf(branchUpdataData->periodOffset + branchUpdataData->period * timeElapsedSeconds);
if (branchUpdataData->branchToFollow != NULL) {
branchUpdataData->currentOffset += branchUpdataData->branchToFollow->currentOffset;
diff --git a/themes/TreeShape.h b/themes/TreeShape.h
index 987295a..490b848 100644
--- a/themes/TreeShape.h
+++ b/themes/TreeShape.h
@@ -32,6 +32,7 @@ struct TreeBranchLoadData {
struct TreeBranchUpdateData {
int32 tier = 0;
+ float32 periodOffset = 0;
float32 period = 0;
float32 amplitude = 0;
Vector2 currentOffset;
diff --git a/themes/dist/output.wasm b/themes/dist/output.wasm
index 8319928..dff138e 100755
--- a/themes/dist/output.wasm
+++ b/themes/dist/output.wasm
Binary files differ
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-22 14:11:45 +0000